US2952504A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Film timing marker generator
Assignee: Lockheed Martin Corp
•
Filing: 1956-07-13
•
Granted: 1960-09-13
•
Expires: 1976-07-13
Abstract
No abstract record available.
Inventors
- 👤 James T Path
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:41
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/24; G03B2217/00; G03B2217/24; G03B2217/242; G03B2217/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1663308A
Cited
US1800277A
Cited
US1642187A
Cited
US1965865A
Cited
US2368839A
Cited
US2458882A
Cited
US2567036A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-13 | 1964-03-14 | 1964-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-13 | 1968-03-14 | 1968-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-13 | 1972-03-14 | 1972-09-13 | $7700.00 | Window Closed / Lapsed |