US889961A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winch or the like for use with cords or ropes subject to tension.
Assignee: Individual
•
Filing: 1907-10-01
•
Granted: 1908-06-09
•
Expires: 1927-10-01
Abstract
No abstract record available.
Inventors
- 👤 Bertram Percival
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:15
CPC Classifications
E; E21; E21B; E21B19/00; E21B19/008; B; B66; B66D; B66D1/00; B66D1/02; B66D1/04; B66D1/06
Claims Analysis
Total Claims: 0
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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) | 1911-06-09 | 1911-12-09 | 1912-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-06-09 | 1915-12-09 | 1916-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-06-09 | 1919-12-09 | 1920-06-09 | $7700.00 | Window Closed / Lapsed |