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US2730003A
Expired / Lapsed
US
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Cast liner for woodwind instruments
Assignee: CG Conn Ltd
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Filing: 1951-08-09
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Granted: 1956-01-10
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Expires: 1971-08-09
Abstract
No abstract record available.
Inventors
- 👤 Hugh W Loney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:10
CPC Classifications
G; G10; G10D; G10D7/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1801690A
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US2160108A
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US2397626A
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US2613397A
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US2484225A
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US2596260A
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US2602364A
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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) | 1959-01-09 | 1959-07-11 | 1960-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-09 | 1963-07-11 | 1964-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-09 | 1967-07-11 | 1968-01-10 | $7700.00 | Window Closed / Lapsed |