US2976360A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grid plate sequential scanning system
Assignee: FPO
•
Filing: 1955-11-29
•
Granted: 1961-03-21
•
Expires: 1975-11-29
Abstract
No abstract record available.
Inventors
- 👤 Grant C Riddle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:56
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2670402A
Cited
US2651006A
Cited
GB708170A
Cited
US2722630A
Cited
US2765426A
Cited
US2698915A
Cited
US2787729A
Cited
US2818531A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-03-20 | 1964-09-19 | 1965-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-03-20 | 1968-09-19 | 1969-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-03-20 | 1972-09-19 | 1973-03-21 | $7700.00 | Window Closed / Lapsed |