Patent US2879388A successfully refreshed from Google Patents.
US2879388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic musical instrument
Assignee: Individual
•
Filing: 1955-08-23
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Granted: 1959-03-24
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Expires: 1975-08-23
Abstract
No abstract record available.
Inventors
- 👤 Thomas J George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:18
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)
GB449302A
Cited
US2254284A
Cited
US2245710A
Cited
US2323392A
Cited
US2321269A
Cited
US2539826A
Cited
US2778574A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |