Patent US1033181A successfully refreshed from Google Patents.
US1033181A
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Automatic stopping mechanism for elevators.
Assignee: FRED A JONES
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Filing: 1912-05-27
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Granted: 1912-07-23
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Expires: 1932-05-27
Abstract
No abstract record available.
Inventors
- 👤 Thure Larsson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:29
CPC Classifications
B; B66; B66B; B66B1/00; B66B1/24; F; F15; F15B; F15B11/00; F15B11/06; B30; B30B; B30B15/00; B30B15/16
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) | 1915-07-23 | 1916-01-22 | 1916-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-07-23 | 1920-01-22 | 1920-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-07-23 | 1924-01-22 | 1924-07-23 | $7700.00 | Window Closed / Lapsed |