US2531497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Television view finder
Assignee: MOTOVIEW Inc
•
Filing: 1947-04-14
•
Granted: 1950-11-28
•
Expires: 1967-04-14
Abstract
No abstract record available.
Inventors
- 👤 William E Beatty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:04
CPC Classifications
H; H04; H04N; H04N7/00; F; F16; F16M; F16M11/00; F16M11/42; F16M11/425; H04N7/18; H04N7/183; H04N7/185
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2122145A
Cited
US2166132A
Cited
GB504750A
Cited
US2269862A
Cited
US2364357A
Cited
US2389987A
Cited
US2407417A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |