US2988945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic musical instrument
Assignee: Wurlitzer Co
•
Filing: 1958-07-07
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Granted: 1961-06-20
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Expires: 1978-07-07
Abstract
No abstract record available.
Inventors
- 👤 Fred H Osborne
- 👤 John H Riggs
- 👤 Howard G Bauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:34
CPC Classifications
G; G10; G10H; G10H5/00; G10H5/02; G10H5/06; G10H1/00; G10H1/02; G10H1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-19 | 1964-12-19 | 1965-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-19 | 1968-12-19 | 1969-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-19 | 1972-12-19 | 1973-06-20 | $7700.00 | Window Closed / Lapsed |