Patent US2946539A successfully refreshed from Google Patents.
US2946539A
Expired / Lapsed
US
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Guidance system for long range ballistic missile
Assignee: Individual
•
Filing: 1952-03-17
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Granted: 1960-07-26
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Expires: 1972-03-17
Abstract
No abstract record available.
Inventors
- 👤 Eduard M Fischel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:53
CPC Classifications
G; G01; G01C; G01C21/00; G01C21/10; G01C21/12; G01C21/16; G01C21/183; G01C21/185; F; F41; F41G; F41G7/00; F41G7/34; F41G7/36; G01C21/166; Y; Y10; Y10T; Y10T74/00; Y10T74/12; Y10T74/1221
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2109283A
Cited
US2266449A
Cited
US2503346A
Cited
US2513537A
Cited
FR925105A
Cited
US2444933A
Cited
US2532402A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-26 | 1964-01-25 | 1964-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-26 | 1968-01-25 | 1968-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-26 | 1972-01-25 | 1972-07-26 | $7700.00 | Window Closed / Lapsed |