US2569765A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making an absorption control element
Assignee: International Cellucotton Products Co
•
Filing: 1948-01-02
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Granted: 1951-10-02
•
Expires: 1968-01-02
Abstract
No abstract record available.
Inventors
- 👤 William R Kellett
- 👤 Louis G Veler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:46
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/15577; A61F13/15617
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1961272A
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US1970742A
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US2086592A
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US2057166A
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US1941255A
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US2023273A
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US2114377A
Cited
US2152901A
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US2262275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |