Patent US3510566A successfully refreshed from Google Patents.
US3510566A
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US
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Foot operated walking string bass plucked by toe and tuned by heel
Assignee: CLYDE J MCKENZIE
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Filing: 1965-10-24
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Granted: 1970-05-05
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Expires: 1985-10-24
Abstract
No abstract record available.
Inventors
- 👤 Clyde J Mckenzie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:44
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1622219A
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US2413062A
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US2514835A
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US2824478A
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US2917963A
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US3382749A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |