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Patent US2480132A successfully refreshed from Google Patents.
US2480132A
Expired / Lapsed
US
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Electrical musical instrument
Assignee: HAMMOND INSTR CO
•
Filing: 1946-01-16
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Granted: 1949-08-30
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Expires: 1966-01-16
Abstract
No abstract record available.
Inventors
- 👤 Hammond Laurens
- 👤 John M Hanert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:32
CPC Classifications
G; G10; G10H; G10H1/00; Y; Y10; Y10S; Y10S84/00; Y10S84/25
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1105629A
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US1893895A
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US2148478A
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US2126464A
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US2126682A
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US2154778A
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US2301871A
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US2357191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-29 | 1953-02-28 | 1953-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-29 | 1957-02-28 | 1957-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-29 | 1961-02-28 | 1961-08-30 | $7700.00 | Window Closed / Lapsed |