US2450139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tone cabinet for electric organs
Assignee: Individual
•
Filing: 1943-09-20
•
Granted: 1948-09-28
•
Expires: 1963-09-20
Abstract
No abstract record available.
Inventors
- 👤 Hartsough Baron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:43
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/043; G10H1/047
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1932343A
Cited
US1915954A
Cited
US1988132A
Cited
US2062515A
Cited
US2038253A
Cited
US2073474A
Cited
AT150559B
Cited
US2160283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-09-28 | 1952-03-29 | 1952-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-09-28 | 1956-03-29 | 1956-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-09-28 | 1960-03-29 | 1960-09-28 | $7700.00 | Window Closed / Lapsed |