US2688163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making tampons
Assignee: International Cellucotton Products Co
•
Filing: 1948-04-16
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Granted: 1954-09-07
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Expires: 1968-04-16
Abstract
No abstract record available.
Inventors
- 👤 William H Burger
- 👤 Howard A Collins
- 👤 Howard M Ruth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:13
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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US1408586A
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US2094086A
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US2296931A
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US2566190A
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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) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |