Patent US3032181A successfully refreshed from Google Patents.
US3008367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic drum
Assignee: Individual
•
Filing: 1960-04-04
•
Granted: 1961-11-14
•
Expires: 1980-04-04
Abstract
No abstract record available.
Inventors
- 👤 Parsons George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 02:51
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/20; Y; Y10; Y10S; Y10S84/00; Y10S84/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE616961C
Cited
US521937A
Cited
US552141A
Cited
US1463509A
Cited
US956502A
Cited
US1933295A
Cited
US2455575A
Cited
US2769361A
Cited
DE1009464B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |