US2818759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tuning means for electrical musical instrument
Assignee: Individual
•
Filing: 1952-06-16
•
Granted: 1958-01-07
•
Expires: 1972-06-16
Abstract
No abstract record available.
Inventors
- 👤 Richard H Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:27
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/06; G10H1/08; G10H1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2601218A
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US2622202A
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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) | 1961-01-06 | 1961-07-08 | 1962-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-06 | 1965-07-08 | 1966-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-06 | 1969-07-08 | 1970-01-07 | $7700.00 | Window Closed / Lapsed |