US2726352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image-converting devices
Assignee: Cinema Television Ltd
•
Filing: 1950-07-25
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Granted: 1955-12-06
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Expires: 1970-07-25
Abstract
No abstract record available.
Inventors
- 👤 Freeman George Stanle Percival
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:56
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/26; H01J31/28; H01J31/34; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41; H01J29/413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2322807A
Cited
US2404046A
Cited
US2416720A
Cited
US2540632A
Cited
US2544755A
Cited
US2598401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-05 | 1959-06-06 | 1959-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-05 | 1963-06-06 | 1963-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-05 | 1967-06-06 | 1967-12-06 | $7700.00 | Window Closed / Lapsed |