US2954036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulosic sheet and filter, and process therefor
Assignee: Olin Corp
•
Filing: 1958-06-03
•
Granted: 1960-09-27
•
Expires: 1978-06-03
Abstract
No abstract record available.
Inventors
- 👤 Milton O Schur
- 👤 James C Rickards
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:02
CPC Classifications
B; B01; B01D; B01D39/00; B01D39/14; B01D39/16; B01D39/18; A; A24; A24D; A24D3/00; A24D3/02; A24D3/0204; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1008; Y10T156/101; Y10T156/1025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1208535A
Cited
US2164702A
Cited
US2167170A
Cited
US2425207A
Cited
US2679887A
Cited
US2849932A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |