US2315628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hoisting apparatus
Assignee: American Engineering Co Ltd
•
Filing: 1940-03-07
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Granted: 1943-04-06
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Expires: 1960-03-07
Abstract
No abstract record available.
Inventors
- 👤 Robert C Lamond
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:19
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/02; B66D1/14; B66C; B66C13/00; B66C13/52; B66C13/54; B66C13/56; B66D1/28; B66D1/40; B66D1/48; B66D1/50
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) | 1946-04-05 | 1946-10-05 | 1947-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-05 | 1950-10-05 | 1951-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-05 | 1954-10-05 | 1955-04-06 | $7700.00 | Window Closed / Lapsed |