US3121779A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction heating apparatus
Assignee: Allegheny Ludlum Steel Corp
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Filing: 1961-10-10
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Granted: 1964-02-18
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Expires: 1981-10-10
Abstract
No abstract record available.
Inventors
- 👤 Robert D Eckel
- 👤 Arthur F Schaefer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:55
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
IN AN INDUCTION HEATING APPARATUS INCLUDING A VERTICALLY DISPOSED INDUCTION COIL HAVING AN OPENING THEREIN ADAPTED TO ACCOMMODATE A BILLET TO BE HEATED THEREIN, THE MOUNTED BENEATH SAID INDUCTION COIL AND DISPOSED TO BE ACTUATED BETWEEN A BILLET RECEIVING AND DISCHARGING HORIZONTAL POSITION AND A VERTICAL POSITION WHERE SAID LOADER IS ALIGNED WITH THE OPENING IN SAID INDUCTION COIL, STOP MEANS CARRIED AT ONE END OF SAID LOADER AS SAID LOADER MOVES TO THE VERTICAL POSITION, BILLET SUPPORT MEANS DISPOSED BENEATH SAID LOADER AND IN ALIGNMENT THEREWITH WHEN SAID LOADER IS IN THE VERTICAL POSITION, SAID SUPPORT MEANS BEING DISPOSED TO BE MOVED INTO AND OUT OF SUPPORTING ENGAGEMENT WITH AN END OF THE BILLET WHEN SAID LOADER AND BILLET CONTAINED THEREIN ARE IN THE VERTICAL POSITION, ACTUATING MEANS DISPOSED TO BE OPERATED TO EFFECT VERTICAL MOVEMENT OF SAID SUPPORT MEANS TO ENGAGE AND LIFT THE BILLET
Claim 2
Dependent Claim
147 words
IN AN INDUCTION HEATING APPARATUS INCLUDING A VERTICALLY DISPOSED INDUCTION COIL HAVING AN OPENING THEREIN ADAPTED TO ACCOMMODATE A BILLET TO BE HEATED THEREIN, THE MOUNTED BENEATH SAID INDUCTION COIL AND DISPOSED TO BE ACTUATED BETWEEN A BILLET RECEIVING AND DISCHARGING HORIZONTAL POSITION AND A VERTICAL POSITION WHERE SAID LOADER IS ALIGNED WITH THE OPENING IN SAID INDUCTION COIL, STOP MEANS CARRIED AT ONE END OF SAID LOADER AS SAID LOADER MOVES TO THE VERTICAL POSITION, BILLET SUPPORT MEANS DISPOSED BENEATH SAID LOADER AND IN ALIGNMENT THEREWITH WHEN SAID LOADER IS IN THE VERTICAL POSITION, SAID SUPPORT MEANS BEING DISPOSED TO BE MOVED INTO AND OUT OF SUPPORTING ENGAGEMENT WITH AN END OF THE BILLET WHEN SAID LOADER AND BILLET CONTAINED THEREIN ARE IN THE VERTICAL POSITION, ACTUATING MEANS DISPOSED TO BE OPERATED TO EFFECT VERTICAL MOVEMENT OF SAID SUPPORT MEANS TO ENGAGE AND LIFT THE BILLET
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-02-17 | 1967-08-19 | 1968-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-02-17 | 1971-08-19 | 1972-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-02-17 | 1975-08-19 | 1976-02-18 | $7700.00 | Window Closed / Lapsed |