Patent US3253244A successfully refreshed from Google Patents.
US3253244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical resistors
Assignee: Indak Manufacturing Corp
•
Filing: 1963-11-06
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Granted: 1966-05-24
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Expires: 1983-11-06
Abstract
No abstract record available.
Inventors
- 👤 Leland C Hoy
- 👤 William N Schink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:32
CPC Classifications
H; H01; H01C; H01C1/00; H01C1/01; H01C1/014
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
AN ELECTRICAL RESISTOR, COMPRISING THE COMBINATION OF A FLAT INSULATING BOARD, AT LEAST TWO TERMINAL LUGS MOUNTED ON SAID INSULATING BOARD AND PROJECTING FROM ONE SIDE THEREOF GENERALLY PERPENDICULAR THERETO, AT LEAST ONE COIL OF RESISTANCE WIRE EXTENDING BETWEEN SAID TERMINAL LUGS AND HAVING END LEADS CONNECTED TO SAID LUGS ADJACENT SAID INSULATING BOARD, SAID LEADS CONSTITUTING THE SOLE MEANS OF SUPPORT FOR SAID COILS, SAID COIL BEING DISPOSED WITH ITS AXIS GENERALLY PARALLEL TO SAID INSULATING BOARD, AND GUARD MEMBERS FORMED INTEGRALLY WITH SAID TERMINAL LUGS AND PROJECTING THEREFROM AWAY FROM SAID INSULATING BOARD AND GENERALLY PERPENDICULAR THERETO, SAID GAURD MEMBERS PROJECTING FROM SAID TERMINAL LUGS BEYOND THE OUTLINE OF SAID COIL TO AFFORD MECHANICAL PROJECTION FOR SAID COIL DURING SHIPMENT AND HANDLING.
Claim 2
Dependent Claim
124 words
AN ELECTRICAL RESISTOR, COMPRISING THE COMBINATION OF A FLAT INSULATING BOARD, AT LEAST TWO TERMINAL LUGS MOUNTED ON SAID INSULATING BOARD AND PROJECTING FROM ONE SIDE THEREOF GENERALLY PERPENDICULAR THERETO, AT LEAST ONE COIL OF RESISTANCE WIRE EXTENDING BETWEEN SAID TERMINAL LUGS AND HAVING END LEADS CONNECTED TO SAID LUGS ADJACENT SAID INSULATING BOARD, SAID LEADS CONSTITUTING THE SOLE MEANS OF SUPPORT FOR SAID COILS, SAID COIL BEING DISPOSED WITH ITS AXIS GENERALLY PARALLEL TO SAID INSULATING BOARD, AND GUARD MEMBERS FORMED INTEGRALLY WITH SAID TERMINAL LUGS AND PROJECTING THEREFROM AWAY FROM SAID INSULATING BOARD AND GENERALLY PERPENDICULAR THERETO, SAID GAURD MEMBERS PROJECTING FROM SAID TERMINAL LUGS BEYOND THE OUTLINE OF SAID COIL TO AFFORD MECHANICAL PROJECTION FOR SAID COIL DURING SHIPMENT AND HANDLING.
References Cited (Backward Citations)
FR626247A
Cited
US1788354A
Cited
AU1874429A
Cited
US2384797A
Cited
US2768677A
Cited
US2850084A
Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-23 | 1969-11-22 | 1970-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-23 | 1973-11-22 | 1974-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-23 | 1977-11-22 | 1978-05-24 | $7700.00 | Window Closed / Lapsed |