US2912722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fiber processing unit
Assignee: Dayton Rubber Co
•
Filing: 1957-05-15
•
Granted: 1959-11-17
•
Expires: 1977-05-15
Abstract
No abstract record available.
Inventors
- 👤 Emory L Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:09
CPC Classifications
D; D01; D01H; D01H5/00; D01H5/18; D01H5/70; D01H5/86; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/2457; Y10T428/24587; Y10T428/24942; Y10T428/2495; Y10T428/24967
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1028783A
Cited
US1799448A
Cited
US2054619A
Cited
US2341656A
Cited
US2362340A
Cited
US2686939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |