US2670402A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Screen for producing television images
Assignee: Individual
•
Filing: 1948-11-23
•
Granted: 1954-02-23
•
Expires: 1968-11-23
Abstract
No abstract record available.
Inventors
- 👤 Alvin M Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:33
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/02; H01J25/10; H01J25/12; G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; H04; H04N; H04N3/00; H04N3/10; H04N3/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB368828A
Cited
FR48053E
Cited
US2467786A
Cited
FR48456E
Cited
US2471253A
Cited
FR50433E
Cited
US2313286A
Cited
US2371643A
Cited
US2500929A
Cited
US2595617A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |