US2555071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording and playing piano music
Assignee: Individual
•
Filing: 1946-04-08
•
Granted: 1951-05-29
•
Expires: 1966-04-08
Abstract
No abstract record available.
Inventors
- 👤 Worch Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:11
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/03; G10H3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US840397A
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US1106819A
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US1003201A
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US1367634A
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US1369764A
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US1678872A
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US1949771A
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US2274687A
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US2031764A
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US2222991A
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US2378389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-28 | 1954-11-27 | 1955-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-28 | 1958-11-27 | 1959-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-28 | 1962-11-27 | 1963-05-29 | $7700.00 | Window Closed / Lapsed |