US729253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pawl-and-ratchet mechanism for electric clocks.
Assignee: Individual
•
Filing: 1901-02-05
•
Granted: 1903-05-26
•
Expires: 1921-02-05
Abstract
No abstract record available.
Inventors
- 👤 Archibald Barr
- 👤 William Stroud
- 👤 Ludwig Becker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
G; G04; G04C; G04C13/00; G04C13/08; G04C13/10; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1529; Y10T74/1558; Y10T74/1577; Y10T74/1579
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) | 1906-05-25 | 1906-11-24 | 1907-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-05-25 | 1910-11-24 | 1911-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-05-25 | 1914-11-24 | 1915-05-26 | $7700.00 | Window Closed / Lapsed |