US2581637A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch assembly for presses
Assignee: Danly Machine Specialties Inc
•
Filing: 1947-11-03
•
Granted: 1952-01-08
•
Expires: 1967-11-03
Abstract
No abstract record available.
Inventors
- 👤 Philo H Danly
- 👤 George I Danly
- 👤 Georgeff Vasil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:36
CPC Classifications
F; F16; F16D; F16D55/00; F16D55/24; F16D55/26; F16D55/28; F16D25/00; F16D25/04; F16D25/042; F16D25/044; F16D59/00; F16D59/02; F16D67/00; F16D67/02; F16D67/04; F16D2055/0004; F16D2055/0058; F16D2121/00; F16D2121/02; F16D2121/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1759755A
Cited
US1831083A
Cited
US2089733A
Cited
US2138393A
Cited
US2108059A
Cited
US2307456A
Cited
US2211191A
Cited
US2156006A
Cited
US2242396A
Cited
US2437737A
Cited
US2495463A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |