Patent US568350A successfully refreshed from Google Patents.
Patent US2546685A successfully refreshed from Google Patents.
US2546685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safety device for rotated shafts
Assignee: Seneca Falls Machine Co
•
Filing: 1947-11-08
•
Granted: 1951-03-27
•
Expires: 1967-11-08
Abstract
No abstract record available.
Inventors
- 👤 Richard A Ashton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:18
CPC Classifications
F; F16; F16P; F16P3/00; F16H; F16H37/00; F16H59/00; F16H2700/00; F16H2700/02; F16H2700/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1477480A
Cited
US1498300A
Cited
US1587470A
Cited
US1585854A
Cited
US1759650A
Cited
US1762926A
Cited
US2404153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |