US2953055A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Percussion tone electrical musical instrument
Assignee: Hammond Organ Co
•
Filing: 1954-01-13
•
Granted: 1960-09-20
•
Expires: 1974-01-13
Abstract
No abstract record available.
Inventors
- 👤 John M Hanert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:49
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/053; G10H1/057
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2563477A
Cited
US2276389A
Cited
US2216513A
Cited
US2310429A
Cited
US2382413A
Cited
US2501172A
Cited
US2583566A
Cited
US2577753A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |