US3107336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable resistor
Assignee: Bourns Inc
•
Filing: 1959-04-29
•
Granted: 1963-10-15
•
Expires: 1979-04-29
Abstract
No abstract record available.
Inventors
- 👤 Richard E Caddock
- 👤 Warren D Hulbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:55
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/38; H01C10/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A VARIABLE RESISTOR COMPRISING AN ELONGATED BODY HAVING A CAVITY FORMED IN ONE SIDE THEREOF, A LID MOUNTED ON SAID ONE SIDE OF SAID BODY OF ENCLOSE SAID CAVITY, A RESISTANCE ELEMENT MOUNTED ON THE INNER FACE OF SAID LID AND HAVING A PAIR OF TERMINAL WIRES CONNECTED TO THE ENDS THEREOF, SAID LID HAVING ONE END PORTION THEREOF PROJECTING THE END OF SAID BODY, AND PROJECTING ONE END PORTION BEING RECEIVED WITHIN A SHALLOW GROOVE IN SAID ONE SIDE OF SAID BODY AND COOPERATING THEREWITH TO FORM AN APERTURE THROUGH WHICH SAID TERMINAL WIRES PASS, A LEADSCREW ROTATABLY SUPPORTED ON SAID BODY WITHIN SAID CAVITY PARALLEL TO SAID RESISTANCE ELEMENT, A SLIDER OPERATIVELY ENGAGED BY SAID LEADSCREW TO BE MOVED THEREBY, SAID SLIDER HAVING A CONTACT WIPING ON SAID RESISTANCE ELEMENT AND ELECTRICALLY CONNECTED TO SAID LEADSCREW, AND A THIRD TERMINAL WIRE ELECTRICALLY CONNECTED TO SAID LEADSCREW.
Claim 2
Dependent Claim
148 words
A VARIABLE RESISTOR COMPRISING AN ELONGATED BODY HAVING A CAVITY FORMED IN ONE SIDE THEREOF, A LID MOUNTED ON SAID ONE SIDE OF SAID BODY OF ENCLOSE SAID CAVITY, A RESISTANCE ELEMENT MOUNTED ON THE INNER FACE OF SAID LID AND HAVING A PAIR OF TERMINAL WIRES CONNECTED TO THE ENDS THEREOF, SAID LID HAVING ONE END PORTION THEREOF PROJECTING THE END OF SAID BODY, AND PROJECTING ONE END PORTION BEING RECEIVED WITHIN A SHALLOW GROOVE IN SAID ONE SIDE OF SAID BODY AND COOPERATING THEREWITH TO FORM AN APERTURE THROUGH WHICH SAID TERMINAL WIRES PASS, A LEADSCREW ROTATABLY SUPPORTED ON SAID BODY WITHIN SAID CAVITY PARALLEL TO SAID RESISTANCE ELEMENT, A SLIDER OPERATIVELY ENGAGED BY SAID LEADSCREW TO BE MOVED THEREBY, SAID SLIDER HAVING A CONTACT WIPING ON SAID RESISTANCE ELEMENT AND ELECTRICALLY CONNECTED TO SAID LEADSCREW, AND A THIRD TERMINAL WIRE ELECTRICALLY CONNECTED TO SAID LEADSCREW.
References Cited (Backward Citations)
US2745054A
Cited
US2882375A
Cited
US2870302A
Cited
US2873337A
Cited
US2860216A
Cited
US2886681A
Cited
US2895116A
Cited
US2873338A
Cited
US2870304A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-14 | 1967-04-15 | 1967-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-14 | 1971-04-15 | 1971-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-14 | 1975-04-15 | 1975-10-15 | $7700.00 | Window Closed / Lapsed |