US3516320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic harmonica with individual reed pickups and tone generator system
Assignee: CLAUDE A HILLAIRET
•
Filing: 1968-04-01
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Granted: 1970-06-23
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Expires: 1988-04-01
Abstract
No abstract record available.
Inventors
- 👤 Claude A Hillairet
- 👤 Jean H M Lecadre
- 👤 Boulevard Richard Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:13
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/053; G10H1/055; G10H1/0558; G10H1/32; G10H2230/00; G10H2230/045; G10H2230/155; G10H2230/205; G10H2230/211
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) | 1973-06-22 | 1973-12-22 | 1974-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-22 | 1977-12-22 | 1978-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-22 | 1981-12-22 | 1982-06-23 | $7700.00 | Window Closed / Lapsed |