US3376778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical musical instrument with conductive tune sheet
Assignee: Individual
•
Filing: 1966-10-27
•
Granted: 1968-04-09
•
Expires: 1986-10-27
Abstract
No abstract record available.
Inventors
- 👤 Musser Clair Omar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:27
CPC Classifications
G; G09; G09B; G09B15/00; G09B15/02; G09B15/04; Y; Y10; Y10S; Y10S84/00; Y10S84/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2943400A
Cited
FR442572A
Cited
US1400947A
Cited
GB451421A
Cited
US2598155A
Cited
GB646212A
Cited
US3115803A
Cited
US3057082A
Cited
US3256765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |