US3096499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable resistor
Assignee: International Resistance Co
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Filing: 1961-05-22
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Granted: 1963-07-02
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Expires: 1981-05-22
Abstract
No abstract record available.
Inventors
- 👤 Milton W Hudson
- 👤 Sr Fred J Moore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:32
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/32; H01C10/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
223 words
A VARIABLE RESISTOR COMPRISING A HOUSING OF AN ELECTRIAL INSULATING MATERIAL HAVING A BASE AND A CYLINDRICAL WALL EXTENDING FROM THE EDGE OF THE BASE, AN ARCUATE RESISTANCE ELEMENT MOUNTED ON THE INNER SURFACE OF THE BASE OF THE HOUSING AND EXTENDING ALONG THE INNER SURFACE OF THE CYLINDRICAL WALL, SAID RESISTANCE ELEMENT INCLUDING A CORE AND A RESISTANCE MATERIAL ON THE SURFACE OF THE CORE, A PAIR OF TERMINAL PINS OF AN ELECTRICALLY CONDUCTIVE METAL EXTENDING THROUGH AND SECURED TO THE BASE OF THE HOUSING, A CONTACT PLATE OF AN ELECTRICALLY CONDUCTIVE METAL MOUNTED ON THE INNER SURFACE OF THE BASE OF THE HOUSING, SAID CONTACT PLATE EXTENDING FROM THE CENTER OF THE BASE OF THE HOUSING TO ONE OF SAID TERMINAL PINS AND CONTACTING SAID ONE TERMINAL PIN, THE OTHER TERMINAL PIN BEING ELECTRICALLY CONNECTED TO THE RESISTANCE MATERIAL OF SAID RESISTANCE ELEMENT, A CIRCULAR COVER FITTING IN AND ROTATABLY SUPPORTED ON THE CYLINDRICAL WALL OF SAID HOUSING AND EXTENDING ACROSS THE OPEN END THEREOF, MEANS SECURING SAID COVER IN SAID HOUSING BUT PERMITTING ROTATION OF SAID COVER WITH RESPECT TO SAID HOUSING, AND A CONTACT OF AN ELECTRICALLY CONDUCTIVE METAL CARRIED ON THE INNER SURFACE OF SAID COVER, SAID CONTACT HAVING A PAIR OF CONTACT ARMS EXTENDING THE RESISTANCE ELEMENT AND THE OTHER CONTACT ARM SLIDABLY ENGAGING SAID CONTACT PLATE.
Claim 2
Dependent Claim
223 words
A VARIABLE RESISTOR COMPRISING A HOUSING OF AN ELECTRIAL INSULATING MATERIAL HAVING A BASE AND A CYLINDRICAL WALL EXTENDING FROM THE EDGE OF THE BASE, AN ARCUATE RESISTANCE ELEMENT MOUNTED ON THE INNER SURFACE OF THE BASE OF THE HOUSING AND EXTENDING ALONG THE INNER SURFACE OF THE CYLINDRICAL WALL, SAID RESISTANCE ELEMENT INCLUDING A CORE AND A RESISTANCE MATERIAL ON THE SURFACE OF THE CORE, A PAIR OF TERMINAL PINS OF AN ELECTRICALLY CONDUCTIVE METAL EXTENDING THROUGH AND SECURED TO THE BASE OF THE HOUSING, A CONTACT PLATE OF AN ELECTRICALLY CONDUCTIVE METAL MOUNTED ON THE INNER SURFACE OF THE BASE OF THE HOUSING, SAID CONTACT PLATE EXTENDING FROM THE CENTER OF THE BASE OF THE HOUSING TO ONE OF SAID TERMINAL PINS AND CONTACTING SAID ONE TERMINAL PIN, THE OTHER TERMINAL PIN BEING ELECTRICALLY CONNECTED TO THE RESISTANCE MATERIAL OF SAID RESISTANCE ELEMENT, A CIRCULAR COVER FITTING IN AND ROTATABLY SUPPORTED ON THE CYLINDRICAL WALL OF SAID HOUSING AND EXTENDING ACROSS THE OPEN END THEREOF, MEANS SECURING SAID COVER IN SAID HOUSING BUT PERMITTING ROTATION OF SAID COVER WITH RESPECT TO SAID HOUSING, AND A CONTACT OF AN ELECTRICALLY CONDUCTIVE METAL CARRIED ON THE INNER SURFACE OF SAID COVER, SAID CONTACT HAVING A PAIR OF CONTACT ARMS EXTENDING THE RESISTANCE ELEMENT AND THE OTHER CONTACT ARM SLIDABLY ENGAGING SAID CONTACT PLATE.
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |