Patent US2581963A successfully refreshed from Google Patents.
US2581963A
Expired / Lapsed
US
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Reed for electrical music instruments
Assignee: HERBURGER SOC ETS
•
Filing: 1947-08-06
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Granted: 1952-01-08
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Expires: 1967-08-06
Abstract
No abstract record available.
Inventors
- 👤 Langloys Remy Joseph Ma Cecile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:01
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/20; Y; Y10; Y10S; Y10S84/00; Y10S84/21
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US116793A
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US137643A
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US365412A
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US472019A
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US2321366A
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US967477A
Cited
US2085760A
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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) | 1955-01-07 | 1955-07-09 | 1956-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-07 | 1959-07-09 | 1960-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-07 | 1963-07-09 | 1964-01-08 | $7700.00 | Window Closed / Lapsed |