Patent US3221271A successfully refreshed from Google Patents.
Patent US2867100A successfully refreshed from Google Patents.
US2867100A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal assembly
Assignee: AMERICAN FLEXIBLE COUPLING Co
•
Filing: 1955-10-24
•
Granted: 1959-01-06
•
Expires: 1975-10-24
Abstract
No abstract record available.
Inventors
- 👤 Donald J Beecher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:38
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/84; F16D3/843; F16D3/845; F16J; F16J3/00; F16J3/04; F16J3/041; F16J3/042; F16D2200/00; F16D2200/006
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1397413A
Cited
US2136947A
Cited
GB543733A
Cited
US2372289A
Cited
US2486270A
Cited
US2769323A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |