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US3435123A
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US
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Electrical musical instrument keying system
Assignee: Marmon Co
•
Filing: 1965-05-24
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Granted: 1969-03-25
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Expires: 1985-05-24
Abstract
No abstract record available.
Inventors
- 👤 Ray B Schrecongost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:29
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/053; G10H1/057; Y; Y10; Y10S; Y10S84/00; Y10S84/23
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3196201A
Cited
US3333042A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |