Patent US2620799A successfully refreshed from Google Patents.
US2620799A
Expired / Lapsed
US
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Absorbent tampon
Assignee: Personal Products Co
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Filing: 1940-07-24
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Granted: 1952-12-09
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Expires: 1960-07-24
Abstract
No abstract record available.
Inventors
- 👤 Ganz Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:53
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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FR654687A
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US1926900A
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US2092427A
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US2076389A
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US2134930A
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US2152230A
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GB508610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |