US2465796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lifting device for aircraft batteries
Assignee: Individual
•
Filing: 1947-02-11
•
Granted: 1949-03-29
•
Expires: 1967-02-11
Abstract
No abstract record available.
Inventors
- 👤 George B Freeman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:08
CPC Classifications
B; B66; B66F; B66F3/00; B66F9/00; B66F9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1602521A
Cited
US989744A
Cited
US1029823A
Cited
US1860222A
Cited
US2156204A
Cited
US2375337A
Cited
US2413661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-03-28 | 1952-09-27 | 1953-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-03-28 | 1956-09-27 | 1957-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-03-28 | 1960-09-27 | 1961-03-29 | $7700.00 | Window Closed / Lapsed |