US3054318A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical musical instruments
Assignee: Individual
•
Filing: 1960-10-10
•
Granted: 1962-09-18
•
Expires: 1980-10-10
Abstract
No abstract record available.
Inventors
- 👤 James A Koehl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:12
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/32; Y; Y10; Y10S; Y10S84/00; Y10S84/01; Y10S84/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US642467A
Cited
US1924713A
Cited
US2250065A
Cited
FR985402A
Cited
US2489653A
Cited
US2557133A
Cited
US2835814A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |