US3193270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for heat-treating rails
Assignee: United States Steel Corp
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Filing: 1963-09-05
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Granted: 1965-07-06
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Expires: 1983-09-05
Abstract
No abstract record available.
Inventors
- 👤 Jr Fernand J Dewez
- 👤 Joseph M Wandrisco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:28
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/04; C21D9/06; Y; Y10; Y10S; Y10S72/00; Y10S72/701
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
APPARATUS FOR HEAT-TREATING RAILS COMPRISING AN ELONGATED CARRIAGE MOVABLE LONGITUDINALLY, A JACKS PIVOTED TO SAID CARRIAGE ADJACENT EACH END THEREOF, SAID JACKS BEING ADAPTED TO FORCE TOWARD THE CARRIAGE THE ENDS OF A RAIL DISPOSED THEREON IN ALINEMENT THEREWITH BUT SPACED THEREABOVE, THEREBY BENDING THE RAIL, AN ELECTROMAGNETIC INDUCTOR ADAPTED TO EMBRACE THE HEAD OF THE RAIL PROGRESSIVELY AS THE CARRIAGE MOVES AND MEANS ADJACENT THE PATH OF THE CARRIAGE MOUNTING SAID INDUCTOR FOR ANGULAR MOVEMENT TO CONFORM TO THE ANGLE OF DEFLECTION OF THE RAIL FROM POINT TO POINT THEREALONG.
Claim 2
Dependent Claim
91 words
APPARATUS FOR HEAT-TREATING RAILS COMPRISING AN ELONGATED CARRIAGE MOVABLE LONGITUDINALLY, A JACKS PIVOTED TO SAID CARRIAGE ADJACENT EACH END THEREOF, SAID JACKS BEING ADAPTED TO FORCE TOWARD THE CARRIAGE THE ENDS OF A RAIL DISPOSED THEREON IN ALINEMENT THEREWITH BUT SPACED THEREABOVE, THEREBY BENDING THE RAIL, AN ELECTROMAGNETIC INDUCTOR ADAPTED TO EMBRACE THE HEAD OF THE RAIL PROGRESSIVELY AS THE CARRIAGE MOVES AND MEANS ADJACENT THE PATH OF THE CARRIAGE MOUNTING SAID INDUCTOR FOR ANGULAR MOVEMENT TO CONFORM TO THE ANGLE OF DEFLECTION OF THE RAIL FROM POINT TO POINT THEREALONG.
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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |