US3117209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brushless wire preheater
Assignee: WALCO ELECTRIC CO
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Filing: 1962-02-08
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Granted: 1964-01-07
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Expires: 1982-02-08
Abstract
No abstract record available.
Inventors
- 👤 Wilfred L Peltier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:16
CPC Classifications
H; H05; H05B; H05B6/00; H05B6/02; H05B6/10; H05B6/101; H05B6/103; H05B6/104
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
A HEATING DEVICE FOR HEATING AN ELECTRICAL CONDUCTOR WIRE IN LINEAR MOTION, COMPRISING A RECTANGULAR HOUSING, A PAIR OF SPACED, VERTICALLY ALIGNED, GROOVED WHEELS ROTATABLY MOUNTED IN SAID HOUSING, SAID WHEELS BEING FORMED OF ELECTRICALLY CONDUCTIVE MATERIAL, SAID WIRE ENTERING HORIZONTALLY THROUGH ONE SIDE WALL OF SAID HOUSING, PASSING OVER THE UPPER WHEEL, DOWN AND AROUND THE LOWER WHEEL, UP AND OVER THE UPPER WHEEL AGAIN TO FORM A CLOSED LOOP, AND OUT HORIZONTALLY THROUGH THE OPPOSITE SIDE WALL OF SAID HOUSING, WHEREBY MOVEMENT OF SAID WIRE THROUGH SAID HOUSING CAUSES ROTATION OF SAID WHEELS, MEANS FOR INDUCING AN ELECTRIC CURRENT IN THE PORTION OF THE WIRE FORMING THE LOOP BETWEEN SAID WHEELS TO HEAT THE WIRE, SAID CURRENT INDUCING MEANS INCLUDING AN INDUCTOR HAVING PRIMARY WINDINGS, SAID WINDINGS SURROUNDING VERTICAL PASSAGEWAYS POSITIONED IN SPACED PARALLEL RELATION BETWEEN SAID WHEELS, A DIELECTRIC LINER IN EACH OF SAID PASSAGEWAYS, SAID WIRE LOOP EXTENDING BETWEEN SAID WHEELS THROUGH SAID PASSAGEWAYS, A ROTATABLE SHAFT IN SAID HOUSING, SAID
Claim 2
Dependent Claim
165 words
A HEATING DEVICE FOR HEATING AN ELECTRICAL CONDUCTOR WIRE IN LINEAR MOTION, COMPRISING A RECTANGULAR HOUSING, A PAIR OF SPACED, VERTICALLY ALIGNED, GROOVED WHEELS ROTATABLY MOUNTED IN SAID HOUSING, SAID WHEELS BEING FORMED OF ELECTRICALLY CONDUCTIVE MATERIAL, SAID WIRE ENTERING HORIZONTALLY THROUGH ONE SIDE WALL OF SAID HOUSING, PASSING OVER THE UPPER WHEEL, DOWN AND AROUND THE LOWER WHEEL, UP AND OVER THE UPPER WHEEL AGAIN TO FORM A CLOSED LOOP, AND OUT HORIZONTALLY THROUGH THE OPPOSITE SIDE WALL OF SAID HOUSING, WHEREBY MOVEMENT OF SAID WIRE THROUGH SAID HOUSING CAUSES ROTATION OF SAID WHEELS, MEANS FOR INDUCING AN ELECTRIC CURRENT IN THE PORTION OF THE WIRE FORMING THE LOOP BETWEEN SAID WHEELS TO HEAT THE WIRE, SAID CURRENT INDUCING MEANS INCLUDING AN INDUCTOR HAVING PRIMARY WINDINGS, SAID WINDINGS SURROUNDING VERTICAL PASSAGEWAYS POSITIONED IN SPACED PARALLEL RELATION BETWEEN SAID WHEELS, A DIELECTRIC LINER IN EACH OF SAID PASSAGEWAYS, SAID WIRE LOOP EXTENDING BETWEEN SAID WHEELS THROUGH SAID PASSAGEWAYS, A ROTATABLE SHAFT IN SAID HOUSING, SAID
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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |