US3331938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conductor with an adjustable workpiece centering arrangement
Assignee: Ohio Crankshaft Co
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Filing: 1965-03-02
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Granted: 1967-07-18
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Expires: 1985-03-02
Abstract
No abstract record available.
Inventors
- 👤 Wayne J Mcdanels
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:17
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/101
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
123 words
IN AN INDUCTOR FOR AN INDUCTION HEATING APPARATUS, SAID INDUCTOR INCLUDING A GENERALLY ANNULAR BODY HAVING AN INWARDLY FACING WALL DEFINING A CIRCULAR WORKPIECE RECEIVING PASSAGE AND MEANS ON SAID WALL AND EXTENDING RADIALLY INWARD OF SAID PASSAGE FOR DEFINING THE AIR GAP OF SAID INDUCTOR, THE IMPROVEMENT COMPRISING: SAID AIR GAP DEFINING MEANS COMPRISING A PLURALITY OF THREADED APERTURES WITHIN SAID WALL, A PLURALITY OF MEMBERS EACH HAVING A THREADED BASE AND AN UPPER END, ONE OF SAID MEMBERS BEING THREADABLY RECEIVED WITHIN EACH OF SAID APERTURES WITH SAID BASE WITHIN SAID APERTURE AND WITH SAID UPPER END EXTENDING RADIALLY INWARD OF SAID PASSAGE AND A REFRACTORY ELEMENT MOUNTED ON THE UPPER END OF EACH OF SAID MEMBERS AND EXTENDING OUTWARDLY THEREFROM.
References Cited (Backward Citations)
US1581096A
Cited
US3188440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |