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US2570816A
Expired / Lapsed
US
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Musical instrument
Assignee: Individual
•
Filing: 1946-05-01
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Granted: 1951-10-09
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Expires: 1966-05-01
Abstract
No abstract record available.
Inventors
- 👤 Virgil R Kimple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:21
CPC Classifications
G; G10; G10D; G10D99/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US550500A
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US1417343A
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DE381547C
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US1542147A
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US2182692A
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US918835A
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US1052525A
Cited
US2274897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |