US2989884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stringed musical instrument
Assignee: Individual
•
Filing: 1957-09-16
•
Granted: 1961-06-27
•
Expires: 1977-09-16
Abstract
No abstract record available.
Inventors
- 👤 David D Bunker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:07
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)
US593818A
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US933244A
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US1047217A
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US1667925A
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US1828315A
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US2261357A
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US2473442A
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US2603119A
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US2784631A
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US2788694A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |