US2295023A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television system
Assignee: International Standard Electric Corp
•
Filing: 1940-03-26
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Granted: 1942-09-08
•
Expires: 1960-03-26
Abstract
No abstract record available.
Inventors
- 👤 Beatty William Arnold
- 👤 Chatterjea Prafuila Kumar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:49
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/14; H04N5/16; H04N5/165; H04N11/00; H04N11/06; H04N5/04; H04N5/06; H04N5/067; H04N5/0675; H04N7/00; H04N7/04; H04N7/08; H04N7/084
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-09-07 | 1946-03-09 | 1946-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-09-07 | 1950-03-09 | 1950-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-09-07 | 1954-03-09 | 1954-09-08 | $7700.00 | Window Closed / Lapsed |