Patent FI22642A successfully refreshed from Google Patents.
Patent US3425212A successfully refreshed from Google Patents.
US3425212A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quiet clockwork escapement
Assignee: General Time Corp
•
Filing: 1967-05-12
•
Granted: 1969-02-04
•
Expires: 1987-05-12
Abstract
No abstract record available.
Inventors
- 👤 Charles D Verde
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:46
CPC Classifications
G; G04; G04B; G04B15/00; G04B15/14; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1502
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1895666A
Cited
FR757820A
Cited
US2099414A
Cited
US2274724A
Cited
US2408998A
Cited
US2717488A
Cited
FR63575E
Cited
US3137122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-04 | 1972-08-05 | 1973-02-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-04 | 1976-08-05 | 1977-02-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-04 | 1980-08-05 | 1981-02-04 | $7700.00 | Window Closed / Lapsed |