US2614846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic voice recorder
Assignee: WILCOX GAY CORP
•
Filing: 1949-03-16
•
Granted: 1952-10-21
•
Expires: 1969-03-16
Abstract
No abstract record available.
Inventors
- 👤 Robert M Cain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:15
CPC Classifications
G; G07; G07F; G07F17/00; G07F17/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1935140A
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US1936335A
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US2129612A
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US2115653A
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US2183985A
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US2293723A
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US2342411A
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US2437557A
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US2475302A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |