US2653841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically driven mechanism
Assignee: Baker Raulang Co
•
Filing: 1950-09-18
•
Granted: 1953-09-29
•
Expires: 1970-09-18
Abstract
No abstract record available.
Inventors
- 👤 Robert H Davies
- 👤 Edward R Sirotak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:20
CPC Classifications
B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/07572; B60; B60L; B60L7/00; B60L7/10; H; H02; H02P; H02P7/00; H02P7/06; H02P7/18; H02P7/34; H02P7/347; B60L2200/00; B60L2200/40; B60L2220/00; B60L2220/10; B60L2220/20; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |