Patent US2949053A successfully refreshed from Google Patents.
US2949053A
Expired / Lapsed
US
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Tone generator
Assignee: Wurlitzer Co
•
Filing: 1954-06-01
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Granted: 1960-08-16
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Expires: 1974-06-01
Abstract
No abstract record available.
Inventors
- 👤 Clifford W Andersen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:20
CPC Classifications
G; G10; G10D; G10D13/00; G10D13/01; G10D13/08; G10D13/09; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/20
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-16 | 1964-02-15 | 1964-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-16 | 1968-02-15 | 1968-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-16 | 1972-02-15 | 1972-08-16 | $7700.00 | Window Closed / Lapsed |