US741995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric capstan.
Assignee: Otis Elevator Co
•
Filing: 1902-01-20
•
Granted: 1903-10-20
•
Expires: 1922-01-20
Abstract
No abstract record available.
Inventors
- 👤 William D Baldwin
- 👤 August Sundh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:41
CPC Classifications
B; B60; B60L; B60L15/00; B60L15/02; B60L15/04; Y; Y02; Y02T; Y02T10/00; Y02T10/60; Y02T10/64
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) | 1906-10-19 | 1907-04-20 | 1907-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-10-19 | 1911-04-20 | 1911-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-10-19 | 1915-04-20 | 1915-10-20 | $7700.00 | Window Closed / Lapsed |