US2440071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiautomatic hydraulic-electric gun charger
Assignee: Bendix Aviation Corp
•
Filing: 1945-03-15
•
Granted: 1948-04-20
•
Expires: 1965-03-15
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Boshka
- 👤 George A Goepfrich
- 👤 Frank V Kuzmitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:41
CPC Classifications
F; F41; F41A; F41A7/00; F41A7/02; F41A7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2115483A
Cited
US2116860A
Cited
GB481313A
Cited
US2332419A
Cited
US2355179A
Cited
US2356981A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-04-20 | 1951-10-20 | 1952-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-04-20 | 1955-10-20 | 1956-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-04-20 | 1959-10-20 | 1960-04-20 | $7700.00 | Window Closed / Lapsed |