US3534145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical musical instrument with combined conventional reed and electronic tone generators housed within a single common structure
Assignee: Individual
•
Filing: 1968-04-15
•
Granted: 1970-10-13
•
Expires: 1988-04-15
Abstract
No abstract record available.
Inventors
- 👤 Hans Worl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:43
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/16; G10H1/00; G10H1/32; G10H2230/00; G10H2230/045; G10H2230/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2983178A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-12 | 1974-04-13 | 1974-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-12 | 1978-04-13 | 1978-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-12 | 1982-04-13 | 1982-10-13 | $7700.00 | Window Closed / Lapsed |