US2644397A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Projectile control system
Assignee: Individual
•
Filing: 1945-01-06
•
Granted: 1953-07-07
•
Expires: 1965-01-06
Abstract
No abstract record available.
Inventors
- 👤 Katz Leonhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:47
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/22; F41G7/2273; F41G7/228
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1303105A
Cited
US2007211A
Cited
GB441866A
Cited
US2109475A
Cited
US2145507A
Cited
FR832427A
Cited
US2165800A
Cited
US2378939A
Cited
GB546488A
Cited
US2349370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |