US3420131A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic organ preset and cancel mechanism
Assignee: Wurlitzer Co
•
Filing: 1965-05-12
•
Granted: 1969-01-07
•
Expires: 1985-05-12
Abstract
No abstract record available.
Inventors
- 👤 Howard M Thomas
- 👤 Robert A Quigley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:34
CPC Classifications
G; G10; G10B; G10B3/00; G10B3/10; G10H; G10H1/00; G10H1/32; G10H1/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1131814A
Cited
US1253685A
Cited
US1462429A
Cited
US1725576A
Cited
US1725706A
Cited
US1901552A
Cited
US2576764A
Cited
US3187618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-07 | 1972-07-08 | 1973-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-07 | 1976-07-08 | 1977-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-07 | 1980-07-08 | 1981-01-07 | $7700.00 | Window Closed / Lapsed |