US2873645A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable sound recording moving picture apparatus
Assignee: Individual
•
Filing: 1957-05-23
•
Granted: 1959-02-17
•
Expires: 1977-05-23
Abstract
No abstract record available.
Inventors
- 👤 William A Horton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:41
CPC Classifications
F; F16; F16M; F16M13/00; F16M13/04; F16M11/00; F16M11/02; F16M11/04; F16M11/043; F16M11/048
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR590561A
Cited
US1815481A
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US2074049A
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US2031809A
Cited
US2452830A
Cited
US2482676A
Cited
US2603134A
Cited
US2753778A
Cited
US2746369A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |