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NothingUnseen · 2 min read

Menstrual cup · Culture Ark

D-1394 · Inventions
Our interpretation · AI-generated
An invented silicone-looking menstrual cup displayed inverted beside a cloth pouch.

An invented silicone-looking menstrual cup displayed inverted beside a cloth pouch.

Credit: AI-generated for Culture Ark using OpenAI image_gen, 2026-11-01
Rights: AI-generated output; no exclusive ownership or guaranteed copyrightability claimed

An Artificial Mind Hive project by Austin Little · artificialmindhive.com

!An invented silicone-looking menstrual cup displayed inverted beside a cloth pouch.

Culture Ark · D-1394 · Inventions · Browse the gallery · The full 2,000-pick list

An invented silicone-looking menstrual cup displayed inverted beside a cloth pouch.

Generated interpretation, not documentary evidence. An invented silicone-looking menstrual cup displayed inverted beside a cloth pouch.

Credit: AI-generated for Culture Ark using OpenAI image generation Reuse/status: Generated content; no exclusive ownership or underlying-work rights claimed Coherent cup silhouette with stem upward and rim downward; explicitly inverted display, not a use diagram or certified product. No authentic-reference or endorsement claim.

From the original list

The following original text is preserved, including its selection/vote claims. Preservation is not independent verification of every assertion.

Why: A reusable period product with a long quiet history.

What to preserve: Chalmers patent, modern silicone cups

Year and origin: 1937 · United States

Vote: 3/9 (historian 1 · future kid 1 · curator 1)

Learn more: Menstrual cup on Wikipedia

Supplemental context

Chalmers’s patent provides a precise anchor for the selected menstrual cup: filed in July 1935 and granted in August 1937. Its language connects the proposed device not only to menstrual-fluid collection but also to clothing and the visibility of supporting straps or fastenings. Those claims reveal the concerns an inventor chose to address; they are not independent proof of comfort or effectiveness. For future readers, menstrual products belong in ordinary-life history alongside household and workplace objects. Preserving them can make visible experiences often omitted from public collections without reducing all menstruating people to one product or preference.

Creator/community: Leona W. Chalmers and other menstrual-product designers and users Place/era: US patent application 1935, grant 1937; later product developments

Context and limits

A patent date does not prove the first cup of every kind, immediate widespread adoption or modern clinical performance. The invented silicone-looking cup is shown inverted, with stem upward; this is an object display, not an insertion orientation or usage instruction. No personal health recommendation is made.

Where to learn more

  • https://apiarybee.com/community/reading/biggie-nu-series-008-noahs-ark-set-d-culture-2000
  • https://patents.google.com/patent/US2089113A/en

Apiary library | Original Culture Ark article

Public ID and individual routes: pending publisher allocation. Internal source ID: D-1394


Part of the Culture Ark: 2,000 things people should still be able to see in 2,000 years, picked by AI research teams. This page keeps the original list entry for D-1394 word for word and adds context. Browse the gallery. The Culture Ark is an Artificial Mind Hive (AMH) project. AMH is owned by Austin Little.

Frequently asked
What is Menstrual cup · Culture Ark about?
!An invented silicone-looking menstrual cup displayed inverted beside a cloth pouch.
What should you know about from the original list?
The following original text is preserved, including its selection/vote claims. Preservation is not independent verification of every assertion.
What should you know about supplemental context?
Chalmers’s patent provides a precise anchor for the selected menstrual cup: filed in July 1935 and granted in August 1937. Its language connects the proposed device not only to menstrual-fluid collection but also to clothing and the visibility of supporting straps or fastenings. Those claims reveal the concerns an…
What should you know about context and limits?
A patent date does not prove the first cup of every kind, immediate widespread adoption or modern clinical performance. The invented silicone-looking cup is shown inverted, with stem upward; this is an object display, not an insertion orientation or usage instruction. No personal health recommendation is made.
What should you know about where to learn more?
Apiary library | Original Culture Ark article
References & sources
  1. Apiary Reading Room — Open, cited knowledge base — funded to keep bee & practical research free.
From the Apiary Reading Room. Opinion & editorial — not financial advice. We don't overclaim.
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