US2690597A
Expired / Lapsed
US
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Method and apparatus for making catamenial tampons
Assignee: International Cellucotton Products Co
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Filing: 1948-07-01
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Granted: 1954-10-05
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Expires: 1968-07-01
Abstract
No abstract record available.
Inventors
- 👤 Charles J Greiner
- 👤 John M Graef
- 👤 Howard A Collins
- 👤 William H Burger
- 👤 Reinhardt N Sabee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:11
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/20; A61F13/2082; A61F13/2085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2120328A
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US2450138A
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US2458685A
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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) | 1957-10-04 | 1958-04-05 | 1958-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-04 | 1962-04-05 | 1962-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-04 | 1966-04-05 | 1966-10-05 | $7700.00 | Window Closed / Lapsed |