US2958250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Musical instrument tuning apparatus
Assignee: Individual
•
Filing: 1955-03-07
•
Granted: 1960-11-01
•
Expires: 1975-03-07
Abstract
No abstract record available.
Inventors
- 👤 Poehler Horst Albin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:33
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/44; Y; Y10; Y10S; Y10S84/00; Y10S84/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2321376A
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US2340002A
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US2506971A
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US2442770A
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US2577493A
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US2537104A
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US2686294A
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US2614221A
Cited
US2624860A
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US2806953A
Cited
US2806954A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-01 | 1964-05-02 | 1964-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-01 | 1968-05-02 | 1968-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-01 | 1972-05-02 | 1972-11-01 | $7700.00 | Window Closed / Lapsed |