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US919647A
Expired / Lapsed
US
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Feed and positive lock for clock-trains.
Assignee: SELF WINDING CLOCK Co
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Filing: 1908-11-05
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Granted: 1909-04-27
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Expires: 1928-11-05
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:00
CPC Classifications
B; B61; B61H; B61H13/00; B61H13/02; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/1574
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) | 1912-04-26 | 1912-10-26 | 1913-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-04-26 | 1916-10-26 | 1917-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-04-26 | 1920-10-26 | 1921-04-27 | $7700.00 | Window Closed / Lapsed |