US2511026A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for controlling heating by an induction-heating circuit
Assignee: Ohio Crankshaft Co
•
Filing: 1946-06-27
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Granted: 1950-06-13
•
Expires: 1966-06-27
Abstract
No abstract record available.
Inventors
- 👤 James B Wadhams
- 👤 Arthur W Sateren
- 👤 Sikorski Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:09
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2324525A
Cited
US1948704A
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US1642198A
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US1833617A
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US1931644A
Cited
US2205424A
Cited
US2147689A
Cited
US2329188A
Cited
US2416172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |