Patent US3178501A successfully refreshed from Google Patents.
US3178501A
Expired / Lapsed
US
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Controls for electrical string instruments
Assignee: ATUK CORP
•
Filing: 1961-05-16
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Granted: 1965-04-13
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Expires: 1981-05-16
Abstract
No abstract record available.
Inventors
- 👤 Evans Chamcey Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:51
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/18; G10H3/185; G10H2220/00; G10H2220/461; G10H2220/465; G10H2220/481; G10H2220/485; G10H2220/525; Y; Y10; Y10S; Y10S84/00; Y10S84/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2279500A
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US2486264A
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US2494485A
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US2625849A
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US2770158A
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US2964985A
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US3115588A
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |