Patent US3039347A successfully refreshed from Google Patents.
US3039347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Percussive type electric musical instrument
Assignee: CG Conn Ltd
•
Filing: 1957-08-08
•
Granted: 1962-06-19
•
Expires: 1977-08-08
Abstract
No abstract record available.
Inventors
- 👤 Serge L Krauss
- 👤 Charles J Tennes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:51
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; Y; Y10; Y10S; Y10S84/00; Y10S84/23
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2301871A
Cited
US2401372A
Cited
US2697959A
Cited
US2848919A
Cited
US2846914A
Cited
US2953055A
Cited
US2828659A
Cited
US2916957A
Cited
US2916958A
Cited
US2819640A
Cited
US2823310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |