Patent US1443382A successfully refreshed from Google Patents.
US1443382A
Expired / Lapsed
US
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Device for switching universal cranes
Assignee: Individual
•
Filing: 1922-08-31
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Granted: 1923-01-30
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Expires: 1942-08-31
Abstract
No abstract record available.
Inventors
- 👤 Rapier Charles Vincent
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:54
CPC Classifications
B; B66; B66C; B66C7/00; B66C2700/00; B66C2700/01; B66C2700/012; B66C2700/018
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) | 1926-01-29 | 1926-07-31 | 1927-01-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1930-01-29 | 1930-07-31 | 1931-01-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1934-01-29 | 1934-07-31 | 1935-01-30 | $7700.00 | Window Closed / Lapsed |