Patent US2841602A successfully refreshed from Google Patents.
US3208024A
Expired / Lapsed
US
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Potentiometer construction
Assignee: EDCLIFF INSTRUMENTS Inc
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Filing: 1962-12-05
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Granted: 1965-09-21
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Expires: 1982-12-05
Abstract
No abstract record available.
Inventors
- 👤 Harold B Enos
- 👤 Byron L Hartley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:39
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/14; Y; Y10; Y10S; Y10S338/00; Y10S338/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
IN A POTENTIOMETER CONSTRUCTION, A GENERALLY RESILIENT DISC-SHAPED MEMBER HAVING CIRCUMFERENTIALLY EXTENDING AND SPACED MEANS THEREON FOR DRIVING THE SAME, A HOUSING, A GENERALLY CIRCULAR RESISTANCE ELEMENT MOUNTED COAXIALLY WITH SAID ELEMENT WITHIN SAID HOUSING, ELECTRICAL CONTACTING AND CONDUCTING MEANS CARRIED ON SAID MEMBER AND CONTACTING SAID ELEMENT, MEANS ROTATABLY SUPPORTING SAID MEMBER IN SAID HOUSING, THE LAST MENTIONED MEANS INCLUDING A CONDUCTING PIN IN SAID HOUSING ELECTRICALLY CONTACTING SAID ELECTRICAL CONTACTING AND CONDUCTIVE MEANS, MEANS PRODUCING RELATIVE ROTATION BETWEEN SAID ELEMENT AND MEMBER, SAID MEANS COMPRISING A WORN SCREW ROTATABLY MOUNTED IN SAID HOUSING AND HAVING ITS THREAD ENGAGEABLE WITH SAID SPACED MEANS FOR DRIVING SAID MEMBER, SAID WORN SCREW AND SAID PIN BEING ON OPPOSITE SIDES OF SAID MEMBER WITH SAID RESILIENT MEMBER BEING STRESSED BETWEEN SAID WORN SCREW AND SAID PIN TO ESTABLISH A DRIVING CONNECTION BETWEEN SAID MEMBER AND SAID WORN SCREW.
Claim 2
Dependent Claim
146 words
IN A POTENTIOMETER CONSTRUCTION, A GENERALLY RESILIENT DISC-SHAPED MEMBER HAVING CIRCUMFERENTIALLY EXTENDING AND SPACED MEANS THEREON FOR DRIVING THE SAME, A HOUSING, A GENERALLY CIRCULAR RESISTANCE ELEMENT MOUNTED COAXIALLY WITH SAID ELEMENT WITHIN SAID HOUSING, ELECTRICAL CONTACTING AND CONDUCTING MEANS CARRIED ON SAID MEMBER AND CONTACTING SAID ELEMENT, MEANS ROTATABLY SUPPORTING SAID MEMBER IN SAID HOUSING, THE LAST MENTIONED MEANS INCLUDING A CONDUCTING PIN IN SAID HOUSING ELECTRICALLY CONTACTING SAID ELECTRICAL CONTACTING AND CONDUCTIVE MEANS, MEANS PRODUCING RELATIVE ROTATION BETWEEN SAID ELEMENT AND MEMBER, SAID MEANS COMPRISING A WORN SCREW ROTATABLY MOUNTED IN SAID HOUSING AND HAVING ITS THREAD ENGAGEABLE WITH SAID SPACED MEANS FOR DRIVING SAID MEMBER, SAID WORN SCREW AND SAID PIN BEING ON OPPOSITE SIDES OF SAID MEMBER WITH SAID RESILIENT MEMBER BEING STRESSED BETWEEN SAID WORN SCREW AND SAID PIN TO ESTABLISH A DRIVING CONNECTION BETWEEN SAID MEMBER AND SAID WORN SCREW.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |