US2433843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fixed gun interaircraft fire control system
Assignee: Sperry Gyroscope Co Inc
•
Filing: 1942-10-17
•
Granted: 1948-01-06
•
Expires: 1962-10-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Edmund B Hammond
- 👤 Gifford E White
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:00
CPC Classifications
F; F41; F41G; F41G5/00; F41G5/14; F41G5/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-01-05 | 1951-07-07 | 1952-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-05 | 1955-07-07 | 1956-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-05 | 1959-07-07 | 1960-01-06 | $7700.00 | Window Closed / Lapsed |