US3420135A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Programmed musical instrument
Assignee: AC Gilbert Co
•
Filing: 1965-11-22
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Granted: 1969-01-07
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Expires: 1985-11-22
Abstract
No abstract record available.
Inventors
- 👤 Tobin Wolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:48
CPC Classifications
G; G10; G10D; G10D13/00; G10D13/01; G10D13/08; G10D13/09; A; A63; A63H; A63H5/00; G05; G05B; G05B19/00; G05B19/02; G05B19/04; G05B19/12; G05B19/126; G06; G06K; G06K19/00; G06K19/06; G06K19/067; G09; G09B; G09B15/00; G09B15/08; G10G; G10G1/00; G10G1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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 |