US3071155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary valve for fluid operated musical instruments
Assignee: Individual
•
Filing: 1961-08-15
•
Granted: 1963-01-01
•
Expires: 1981-08-15
Abstract
No abstract record available.
Inventors
- 👤 Danley Dayton Herschel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:04
CPC Classifications
G; G10; G10D; G10D9/00; G10D9/04; G10F; G10F5/00; G10F5/04; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86863
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1052138A
Cited
US1187674A
Cited
US1364722A
Cited
US2706532A
Cited
GB767910A
Cited
US2979451A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |