US3108245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Potentiometer
Assignee: Spectrol Electronics Corp
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Filing: 1960-10-31
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Granted: 1963-10-22
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Expires: 1980-10-31
Abstract
No abstract record available.
Inventors
- 👤 John W Bamford
- 👤 William M Usry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:22
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/32; Y; Y10; Y10S; Y10S338/00; Y10S338/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
170 words
A MINIATURE POTENTIOMETER COMPRISING: A CASING DEFINING A RECESS HAVING A RESISTANCE ELEMENT MOUNTED THEREIN; AN ELECTRICALLY NON-CONDUCTIVE POST EXTENDING FROM THE BOTTOM OF SAID CASING INTO SAID RECES; A FIRST HOLLOW SUBSTANTIALLY CYLINDRICAL ELECTRICALLY CONDUCTIVE MEMBER HAVING AN OUTWARDLY EXTENDING FLANGE MEMBER AT ONE END THEREOF NON-MOVABLY SUPPORTED CENTRALLY WITHIN SAID RECESS UPON SAID POST AND INSULATED FROM SAID CASING; A SECOND HOLLOW SUBSTANTIALLY CYLINDRICAL ELECTRICALLY CONDUCTIVE MEMBER ROTATABLY POSITIONED UPON AND SURROUNDING SAID FIRST CYLINDRICAL MEMBER AND SLIDABLY CONTACTING SAID FLANGE MEMBER; RETAINING MEANS CONTACTING EACH OF SAID FIRST AND SECOND ELECTRICALLY CONDUCTIVE MEMBERS TO HOLD SAID SECOND MEMBER IN CONTINUOUS ELECTRICAL CONTACT WITH SAID FIRST MEMBER; WIPER MEANS AFFIXED TO SAID SECOND MEMBER AND EXTENDING OUTWARDLY FROM THE PERIPHERY THEREOF INTO CONTACT WITH SAID RESISTANCE ELEMENT; GEAR MEANS AFFIXED TO SAID SECOND MEMBER FOR CAUSING SAID WIPER MEANS TO MOVE ACROSS A SURFACE OF SAID RESISTANCE ELEMENT IN RESPONSE TO ROTATION THEREOF; AND AN ELECTRICAL CONNECTOR AFFIXED TO SAID FIRST MEMBER AND EXTENDING EXTERNALLY OF SAID CASING.
Claim 2
Dependent Claim
170 words
A MINIATURE POTENTIOMETER COMPRISING: A CASING DEFINING A RECESS HAVING A RESISTANCE ELEMENT MOUNTED THEREIN; AN ELECTRICALLY NON-CONDUCTIVE POST EXTENDING FROM THE BOTTOM OF SAID CASING INTO SAID RECES; A FIRST HOLLOW SUBSTANTIALLY CYLINDRICAL ELECTRICALLY CONDUCTIVE MEMBER HAVING AN OUTWARDLY EXTENDING FLANGE MEMBER AT ONE END THEREOF NON-MOVABLY SUPPORTED CENTRALLY WITHIN SAID RECESS UPON SAID POST AND INSULATED FROM SAID CASING; A SECOND HOLLOW SUBSTANTIALLY CYLINDRICAL ELECTRICALLY CONDUCTIVE MEMBER ROTATABLY POSITIONED UPON AND SURROUNDING SAID FIRST CYLINDRICAL MEMBER AND SLIDABLY CONTACTING SAID FLANGE MEMBER; RETAINING MEANS CONTACTING EACH OF SAID FIRST AND SECOND ELECTRICALLY CONDUCTIVE MEMBERS TO HOLD SAID SECOND MEMBER IN CONTINUOUS ELECTRICAL CONTACT WITH SAID FIRST MEMBER; WIPER MEANS AFFIXED TO SAID SECOND MEMBER AND EXTENDING OUTWARDLY FROM THE PERIPHERY THEREOF INTO CONTACT WITH SAID RESISTANCE ELEMENT; GEAR MEANS AFFIXED TO SAID SECOND MEMBER FOR CAUSING SAID WIPER MEANS TO MOVE ACROSS A SURFACE OF SAID RESISTANCE ELEMENT IN RESPONSE TO ROTATION THEREOF; AND AN ELECTRICAL CONNECTOR AFFIXED TO SAID FIRST MEMBER AND EXTENDING EXTERNALLY OF SAID CASING.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |