US3139602A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rectilinear potentiometer
Assignee: Individual
•
Filing: 1962-01-29
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Granted: 1964-06-30
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Expires: 1982-01-29
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Gottschall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:18
CPC Classifications
H; H01; H01C; H01C1/00; H01C1/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
IN A RECTILINEAR POTENTIOMETER, THE COMBINATION OF AN ELONGATED POTENTIOMETER ELEMENT AND A MINIATURIZED BRUSH ARM AND WIPER CONTACT ASSEMBLY FOR TRAVERSING SAID POTENTIOMETER ELEMENT IN CONTACT THEREWITH, SAID BRUSH ARM AND WIPER CONTACT ASSEMBLY COMPRISING A FLAT, RESILIENT METAL SPRING MEMBER, HAVING AN ELONGATED PORTION TERMINATING IN A BROAD PORTION AT ONE END ADAPTED TO BE MOUNTED UPON A MOVABLE SUPPORTING STRUCTURE AND EXTENDING NOT MORE THAN ONE-HALF INCH FROM THE POINT OF MOUNTING UPON SAID STRUCTURE, AND A WIPER CONTACT MOUNTING PORTION AT THE OTHER END, SAID MEMBER BEING TAPERED SO AS TO FORM A NARROW NECK PORTION PROXIMATE TO THE WIPER CONTACT MOUNTING PORTION, SAID WIPER CONTACT MOUNTING PORTION HAVING A WIDTH APPROXIMATELY EQUAL TO THE WIDTH OF SAID BROAD PORTION, AND A METAL WIPER CONTACT COMPOSED OF A METAL OTHER THAN THAT OF SAID RESILIENT METAL SPRING, AFFIXED BY MEANS OF SOLDER TO SAID WIPER CONTACT MOUNTING PORTION WHEREIN SAID ELONGATED PORTION IS ALIGNED IN THE DIRECTION OF NORMAL MOVEMENT OF SAID MOVABLE SUPPORTING STRUCTURE FOR TRAVERSING SAID POTENTIOMETER ELEMENT.
Claim 2
Dependent Claim
174 words
IN A RECTILINEAR POTENTIOMETER, THE COMBINATION OF AN ELONGATED POTENTIOMETER ELEMENT AND A MINIATURIZED BRUSH ARM AND WIPER CONTACT ASSEMBLY FOR TRAVERSING SAID POTENTIOMETER ELEMENT IN CONTACT THEREWITH, SAID BRUSH ARM AND WIPER CONTACT ASSEMBLY COMPRISING A FLAT, RESILIENT METAL SPRING MEMBER, HAVING AN ELONGATED PORTION TERMINATING IN A BROAD PORTION AT ONE END ADAPTED TO BE MOUNTED UPON A MOVABLE SUPPORTING STRUCTURE AND EXTENDING NOT MORE THAN ONE-HALF INCH FROM THE POINT OF MOUNTING UPON SAID STRUCTURE, AND A WIPER CONTACT MOUNTING PORTION AT THE OTHER END, SAID MEMBER BEING TAPERED SO AS TO FORM A NARROW NECK PORTION PROXIMATE TO THE WIPER CONTACT MOUNTING PORTION, SAID WIPER CONTACT MOUNTING PORTION HAVING A WIDTH APPROXIMATELY EQUAL TO THE WIDTH OF SAID BROAD PORTION, AND A METAL WIPER CONTACT COMPOSED OF A METAL OTHER THAN THAT OF SAID RESILIENT METAL SPRING, AFFIXED BY MEANS OF SOLDER TO SAID WIPER CONTACT MOUNTING PORTION WHEREIN SAID ELONGATED PORTION IS ALIGNED IN THE DIRECTION OF NORMAL MOVEMENT OF SAID MOVABLE SUPPORTING STRUCTURE FOR TRAVERSING SAID POTENTIOMETER ELEMENT.
References Cited (Backward Citations)
US2625633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |