US2477029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for inductively heating flanged articles
Assignee: Ohio Crankshaft Co
•
Filing: 1943-08-26
•
Granted: 1949-07-26
•
Expires: 1963-08-26
Abstract
No abstract record available.
Inventors
- 👤 Alden O Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:35
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/36; H05B6/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1983177A
Cited
US2103834A
Cited
US2164310A
Cited
US2144378A
Cited
US2338496A
Cited
US2282322A
Cited
US2356150A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |