Patent US1172280A successfully refreshed from Google Patents.
US1172280A
Expired / Lapsed
US
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Pawl-and-ratchet mechanism.
Assignee: Individual
•
Filing: 1913-10-18
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Granted: 1916-02-22
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Expires: 1933-10-18
Abstract
No abstract record available.
Inventors
- 👤 Walter L Hadlock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:28
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/32; A; A63; A63F; A63F7/00; A63F7/02; A63F7/025; A63F7/027; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1577; Y10T74/1581
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) | 1919-02-21 | 1919-08-23 | 1920-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1923-02-21 | 1923-08-23 | 1924-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1927-02-21 | 1927-08-23 | 1928-02-22 | $7700.00 | Window Closed / Lapsed |