US2593442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric organ
Assignee: Individual
•
Filing: 1947-12-17
•
Granted: 1952-04-22
•
Expires: 1967-12-17
Abstract
No abstract record available.
Inventors
- 👤 Hakkarinen William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:13
CPC Classifications
G; G10; G10H; G10H5/00; G10H5/02; Y; Y10; Y10S; Y10S84/00; Y10S84/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US497144A
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US1033786A
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US1180720A
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US1539402A
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US1771905A
Cited
US1823724A
Cited
US2211540A
Cited
US2301871A
Cited
US2328282A
Cited
US2396439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-22 | 1955-10-22 | 1956-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-22 | 1959-10-22 | 1960-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-22 | 1963-10-22 | 1964-04-22 | $7700.00 | Window Closed / Lapsed |