US2929293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Interlaced optical scanning means
Assignee: Servo Corp of America
•
Filing: 1954-10-19
•
Granted: 1960-03-22
•
Expires: 1974-10-19
Abstract
No abstract record available.
Inventors
- 👤 Frank G Willey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:05
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1876272A
Cited
US2453502A
Cited
US2553606A
Cited
US2668869A
Cited
US2709716A
Cited
US2779819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |