Patent US3761975A successfully refreshed from Google Patents.
US657689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoisting apparatus.
Assignee: Fraser & Chalmers
•
Filing: 1899-05-02
•
Granted: 1900-09-11
•
Expires: 1919-05-02
Abstract
No abstract record available.
Inventors
- 👤 Hans C Behr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:48
CPC Classifications
B; B65; B65H; B65H75/00; B65H75/02; B65H75/34; B65H75/38; B65H75/44; B65H75/4402; B65H75/4405; B65H75/4407; B66; B66D; B66D1/00; B66D1/28; B66D1/36
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1903-09-11 | 1904-03-12 | 1904-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-09-11 | 1908-03-12 | 1908-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-09-11 | 1912-03-12 | 1912-09-11 | $7700.00 | Window Closed / Lapsed |