Patent US5291535A successfully refreshed from Google Patents.
US2878466A
Expired / Lapsed
US
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Disturbed line-of-sight fire control system
Assignee: Raytheon Co
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Filing: 1951-10-06
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Granted: 1959-03-17
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Expires: 1971-10-06
Abstract
No abstract record available.
Inventors
- 👤 Robert J Shank
- 👤 Gordon E Bowler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:07
CPC Classifications
F; F41; F41G; F41G5/00; F41G5/14; F41G7/00; F41G7/20; F41G7/22; F41G7/2246; F41G7/2273; F41G7/2286; G; G01; G01S; G01S13/00; G01S13/66; G01S7/00; G01S7/02; G01S7/28; G01S7/285; G01S7/295; G01S7/40; G01S7/4004; G01S7/4026; G01S7/403; G01S7/4034
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2405231A
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US2436655A
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US2737652A
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US2451632A
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US2422697A
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US2600209A
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US2715219A
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US2649581A
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US2590114A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |