Patent US3069955A successfully refreshed from Google Patents.
US3069955A
Expired / Lapsed
US
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Piano string and frame assembly
Assignee: MERIDAN Corp
•
Filing: 1958-10-20
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Granted: 1962-12-25
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Expires: 1978-10-20
Abstract
No abstract record available.
Inventors
- 👤 Mahlon D Burkhard
- 👤 Hale J Sabine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:26
CPC Classifications
G; G10; G10C; G10C3/00; G10C3/04; G10C3/06; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US164988A
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US204111A
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US239949A
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US423510A
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DE616961C
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US801640A
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US1915860A
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US2027074A
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US2073071A
Cited
US2233058A
Cited
US2187612A
Cited
US2983177A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-24 | 1966-06-25 | 1966-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-24 | 1970-06-25 | 1970-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-24 | 1974-06-25 | 1974-12-25 | $7700.00 | Window Closed / Lapsed |