US2922575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric credit accumulator
Assignee: United Music Corp
•
Filing: 1957-02-14
•
Granted: 1960-01-26
•
Expires: 1977-02-14
Abstract
No abstract record available.
Inventors
- 👤 Lydon A Durant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:36
CPC Classifications
G; G07; G07F; G07F5/00; G07F5/20; G07F5/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1974207A
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US1958763A
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US2323255A
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US2299082A
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US2323981A
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US2386741A
Cited
US2586173A
Cited
US2703640A
Cited
US2518810A
Cited
US2613791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-25 | 1963-07-27 | 1964-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-25 | 1967-07-27 | 1968-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-25 | 1971-07-27 | 1972-01-26 | $7700.00 | Window Closed / Lapsed |