US3336459A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for electroinductively heating the chain links of the track chains of caterpillar or track-laying vehicles
Assignee: Deutsche Edelstahlwerke AG
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Filing: 1965-02-24
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Granted: 1967-08-15
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Expires: 1985-02-24
Abstract
No abstract record available.
Inventors
- 👤 Seulen Gerhard
- 👤 Kuhlbars Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:02
CPC Classifications
C; C21; C21D; C21D9/00; C21D9/0087
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
APPARATUS FOR ELECTRO-INDUCTIVELY HEATING A CHAIN LINK FOR THE TRACK CHAIN OF A ARTICULATED TRACK OR TRACKLAYING VEHICLE IN ORDER TO HARDEN ITS RUNNING SURFACE WHICH INCLUDES A FACE HAVING A RELATIVELY WIDE PORTION AND TWO NARROWER END PORTIONS THAT ARE RELATIVELY OFFSET FROM THE LONGITUDINAL AXIS OF SAID SURFACE, WITHOUT OVERHEATING THE EDGES WHICH ARE TO REMAIN SOFTER, COMPRISING INDUCTOR MEANS PROVIDING TWO ELONGATED CONDUCTOR BRANCHES ARRANGED SO THAT THE CURRENT WILL FLOW THROUGH THEM IN THE SAME DIRECTION IN SIDE-BY-SIDE RELATION SO AS TO BE ADAPTED TO FACE THE SAID FACE OF THE SURFACE THAT IS TO BE HEATED AND PROVIDING RETURN BRANCHES WHICH ARE ADAPTED
Claim 2
Dependent Claim
108 words
APPARATUS FOR ELECTRO-INDUCTIVELY HEATING A CHAIN LINK FOR THE TRACK CHAIN OF A ARTICULATED TRACK OR TRACKLAYING VEHICLE IN ORDER TO HARDEN ITS RUNNING SURFACE WHICH INCLUDES A FACE HAVING A RELATIVELY WIDE PORTION AND TWO NARROWER END PORTIONS THAT ARE RELATIVELY OFFSET FROM THE LONGITUDINAL AXIS OF SAID SURFACE, WITHOUT OVERHEATING THE EDGES WHICH ARE TO REMAIN SOFTER, COMPRISING INDUCTOR MEANS PROVIDING TWO ELONGATED CONDUCTOR BRANCHES ARRANGED SO THAT THE CURRENT WILL FLOW THROUGH THEM IN THE SAME DIRECTION IN SIDE-BY-SIDE RELATION SO AS TO BE ADAPTED TO FACE THE SAID FACE OF THE SURFACE THAT IS TO BE HEATED AND PROVIDING RETURN BRANCHES WHICH ARE ADAPTED
References Cited (Backward Citations)
US2566678A
Cited
GB1028389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |