US3500734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic recorder and processor
Assignee: Lockheed Martin Corp
•
Filing: 1967-10-04
•
Granted: 1970-03-17
•
Expires: 1987-10-04
Abstract
No abstract record available.
Inventors
- 👤 Edward V Lewis
- 👤 Robert B Trousdale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:15
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/14; G03; G03B; G03B17/00; G03B17/48; G03B17/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2333768A
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US2553014A
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US2927503A
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US2895706A
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GB850640A
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US3295427A
Cited
US3440944A
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US3362079A
Cited
US3364816A
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US3315583A
Cited
US3408141A
Cited
US3398664A
Cited
US3425777A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |