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US2550826A
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Anvil for sound recording and reproducing machines
Assignee: HATTIE B KUHLIK
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Filing: 1948-04-05
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Granted: 1951-05-01
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Expires: 1968-04-05
Abstract
No abstract record available.
Inventors
- 👤 Jacob M Kuhlik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:10
CPC Classifications
G; G11; G11B; G11B15/00; G11B15/18; G11B15/26; G11B15/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1815692A
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US2016656A
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US2142606A
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US2173048A
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US2323215A
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US2382161A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |