US3551580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and plural miniature drum-type musical instruments producing percussion sounds and electronic reproduction system therefor with carrying case
Assignee: MARION C WATERS
•
Filing: 1969-06-17
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Granted: 1970-12-29
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Expires: 1989-06-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Glenn
- 👤 Marion C Waters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:39
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/146; G10H2230/00; G10H2230/045; G10H2230/251; G10H2230/275; G10H2230/281; Y; Y10; Y10S; Y10S84/00; Y10S84/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-28 | 1974-06-29 | 1974-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-28 | 1978-06-29 | 1978-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-28 | 1982-06-29 | 1982-12-29 | $7700.00 | Window Closed / Lapsed |