US1436698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ratchet
Assignee: ROBERTS
•
Filing: 1921-05-02
•
Granted: 1922-11-28
•
Expires: 1941-05-02
Abstract
No abstract record available.
Inventors
- 👤 Hiram D Croft
- 👤 Roberts William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:30
CPC Classifications
B; B25; B25B; B25B13/00; B25B13/46; B25B13/461; B25B13/462; B25G; B25G1/00; B25G1/005; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1577
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) | 1925-11-27 | 1926-05-29 | 1926-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-11-27 | 1930-05-29 | 1930-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-11-27 | 1934-05-29 | 1934-11-28 | $7700.00 | Window Closed / Lapsed |