US1134739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric-motor brake.
Assignee: Otis Elevator Co
•
Filing: 1912-07-23
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Granted: 1915-04-06
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Expires: 1932-07-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur E Handy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:19
CPC Classifications
H; H02; H02K; H02K7/00; H02K7/10; H02K7/102; H02K7/1021; H02K7/1023; H02K7/1025
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) | 1918-04-05 | 1918-10-05 | 1919-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-04-05 | 1922-10-05 | 1923-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-04-05 | 1926-10-05 | 1927-04-06 | $7700.00 | Window Closed / Lapsed |