Walter Hunt safety-pin patent anniversary2026 · Date · History · Messages
The original U.S. Patent No. 6,281 text identifies Walter Hunt’s dress-pin invention and dates the patent 10 April 1849; Smithsonian collections also identify Hunt with the safety-pin invention.
About Walter Hunt safety-pin patent anniversary
April 10 marks the anniversary of U.S. Patent No. 6,281, granted to Walter Hunt in 1849 for a “dress-pin” design recognized as the safety pin.
The guide uses the patent date as the historical anchor rather than assuming that a separately founded International Safety Pin Day has a documented origin.
Why Walter Hunt safety-pin patent anniversary matters
The anniversary highlights a compact mechanical design: a single piece of wire combining a pin, spring and catch.
It is an invention-history date, useful for exploring how everyday objects can embody simple but durable engineering ideas.
History of Walter Hunt safety-pin patent anniversary
Walter Hunt’s U.S. Patent No. 6,281 is dated April 10, 1849.
The patent describes a pin made from one piece of wire or metal, combining a spring and a clasp or catch.
The Smithsonian’s National Museum of American History also identifies Hunt with the safety-pin invention.
The reviewed sources do not establish the first modern annual observance under the name International Safety Pin Day.
What the evidence establishes
Confirmed institutional roles and milestones are shown first. Details that could not be established from the reviewed sources are listed separately below.
8 fields not established in reviewed sources
Also known as
International Safety Pin Day, Safety Pin Day
How to Observe Walter Hunt safety-pin patent anniversary
Read the original patent description and drawings.
Compare nineteenth-century safety-pin construction with modern versions.
Explore other Walter Hunt inventions and the broader history of everyday mechanical design.
Use the date as an invention-history prompt rather than repeating unsupported holiday-origin claims.
Walter Hunt safety-pin patent anniversary Facts
The historical date anchor is April 10, 1849.
Walter Hunt is the named inventor on U.S. Patent No. 6,281.
The patent title is “Dress-Pin.”
The specification describes a one-piece wire design with a spring and catch.
The reviewed evidence does not establish a formal founder for a modern International Safety Pin Day.
Topic and context
What this page does not assume
- Keep the source-defined country, community, organizer or institutional scope; do not silently broaden it.
- Do not treat the title alone as proof of government recognition or public-holiday status.
- Do not add a creator, founding story or origin claim unless the supporting evidence establishes it.
Evidence & sources
Sources used across the guide are gathered here. Labels show how each source supports the page, and contextual references are kept separate from primary evidence.
National Museum of American History — Walter Hunt safety pin object (opens in a new tab)
Museum Object Record
U.S. Patent No. 6,281 — Walter Hunt dress-pin (opens in a new tab)
Primary Patent Record
Understand it, compare it, then explore further
Start with the most common factual questions, then compare closely related observances and explore useful connections.
Frequently asked questions
When is Walter Hunt safety-pin patent anniversary?
10 April The documented recurrence rule is: 10 April.
Does Walter Hunt safety-pin patent anniversary fall on the same date every year?
Yes. It uses a fixed annual date unless stronger evidence changes the pattern.
Is Walter Hunt safety-pin patent anniversary an official public holiday?
The reviewed sources verify it within this scope: Invention-history anniversary / Walter Hunt U.S. safety-pin patent. That recognition does not by itself make it a statutory public holiday; the site only makes public-holiday claims when reliable evidence explicitly does so.
Who established or recognizes Walter Hunt safety-pin patent anniversary?
The documented basis is: The original U.S. Patent No. 6,281 text identifies Walter Hunt’s dress-pin invention and dates the patent 10 April 1849; Smithsonian collections also identify Hunt with the safety-pin invention.. Supporting evidence includes U.S. Patent No. 6,281 — Walter Hunt dress-pin. The site does not infer a separate creator or founder unless reviewed evidence establishes one.
Is Walter Hunt safety-pin patent anniversary international or country-specific?
No single country is assigned to this observance. Its documented scope is: Invention-history anniversary / Walter Hunt U.S. safety-pin patent. Use that scope rather than assuming worldwide or country-specific status.
How is this page verified?
The factual information is checked against reviewed sources, including the date pattern, scope and institutional history. This page was checked on 2026-09-09.
Why is April 10 associated with the safety pin?
Walter Hunt’s U.S. Patent No. 6,281 for his dress-pin design is dated April 10, 1849.
Who invented the safety pin?
Walter Hunt is the inventor named on the 1849 U.S. patent commonly associated with the safety pin.
What did the patent describe?
A one-piece wire pin combining a spring and a catch or clasp.
Does the patent establish International Safety Pin Day?
No. This authority page is a historical-anniversary guide anchored to the patent date.
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