Patent US2440141A successfully refreshed from Google Patents.
US2440141A
Expired / Lapsed
US
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Catamenial tampon
Assignee: Individual
•
Filing: 1944-01-05
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Granted: 1948-04-20
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Expires: 1964-01-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur B Donovan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:07
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2051; Y; Y10; Y10S; Y10S604/00; Y10S604/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2134930A
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US2077231A
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US2215573A
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US2176114A
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US2112021A
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US2340311A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-20 | 1951-10-20 | 1952-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-20 | 1955-10-20 | 1956-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-20 | 1959-10-20 | 1960-04-20 | $7700.00 | Window Closed / Lapsed |