US2762894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for high-frequency induction heating of small-diameter wire
Assignee: Ohio Crankshaft Co
•
Filing: 1951-03-17
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Granted: 1956-09-11
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Expires: 1971-03-17
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Body
- 👤 James W Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:38
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/36; H05B6/365
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1980875A
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US1981629A
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US2003855A
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US2385031A
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US2493950A
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GB616063A
Cited
US2583227A
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US2596770A
Cited
US2675461A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-11 | 1960-03-12 | 1960-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-11 | 1964-03-12 | 1964-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-11 | 1968-03-12 | 1968-09-11 | $7700.00 | Window Closed / Lapsed |