Patent US2871702A successfully refreshed from Google Patents.
US2871702A
Expired / Lapsed
US
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Escapement
Assignee: E INGRAHAM Co
•
Filing: 1956-06-18
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Granted: 1959-02-03
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Expires: 1976-06-18
Abstract
No abstract record available.
Inventors
- 👤 Roland G Tetro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:14
CPC Classifications
G; G04; G04B; G04B15/00; F; F16; F16H; F16H27/00; F16H27/04; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1502; Y10T74/1503; Y10T74/18; Y10T74/18528
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-02 | 1962-08-04 | 1963-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-02 | 1966-08-04 | 1967-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-02 | 1970-08-04 | 1971-02-03 | $7700.00 | Window Closed / Lapsed |