US2811069A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical musical instrument
Assignee: Individual
•
Filing: 1951-03-03
•
Granted: 1957-10-29
•
Expires: 1971-03-03
Abstract
No abstract record available.
Inventors
- 👤 Alfred H Faulkner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:49
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/06; Y; Y10; Y10S; Y10S84/00; Y10S84/11; Y10S84/13; Y10S84/23; Y10S84/25
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) | 1960-10-28 | 1961-04-29 | 1961-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-28 | 1965-04-29 | 1965-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-28 | 1969-04-29 | 1969-10-29 | $7700.00 | Window Closed / Lapsed |