US2484864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction heating head
Assignee: Ohio Crankshaft Co
•
Filing: 1945-07-17
•
Granted: 1949-10-18
•
Expires: 1965-07-17
Abstract
No abstract record available.
Inventors
- 👤 Jr Harold A Strickland
- 👤 Emil B Vos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:10
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/36; H05B6/38
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2015063A
Cited
US2060519A
Cited
US2193977A
Cited
US2359272A
Cited
US2359058A
Cited
US2351300A
Cited
US2418675A
Cited
US2399896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-10-17 | 1953-04-18 | 1953-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-10-17 | 1957-04-18 | 1957-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-10-17 | 1961-04-18 | 1961-10-18 | $7700.00 | Window Closed / Lapsed |