US2708337A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Musical instrument
Assignee: SCHULMERICH ELECTRONICS Inc
•
Filing: 1950-11-01
•
Granted: 1955-05-17
•
Expires: 1970-11-01
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Leach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:15
CPC Classifications
G; G04; G04C; G04C21/00; G04C21/04; G04C21/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1958053A
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US2043673A
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US2133911A
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US2224085A
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US2299591A
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US2334467A
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US2413062A
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US2401199A
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US2505119A
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US2417037A
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US2548710A
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US2641897A
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US2563250A
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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) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |