US3119089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature potentiometer
Assignee: International Resistance Co
•
Filing: 1962-09-14
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Granted: 1964-01-21
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Expires: 1982-09-14
Abstract
No abstract record available.
Inventors
- 👤 Robert O Murry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:44
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
161 words
A POTENTIOMETER COMPRISING A FLAT BASE PLATE OF AN ELECTRICAL INSULATING MATERIAL, SAID BASE PLATE HAVING A HOLE THERETHROUGH, AN ARCUATE RESISTANCE PATH ON ONE SURFACE OF SAID BASE PLATE CONCENTRIC WITH SAID HOLE, SAID RESISTANCE PATH HAVING A PAIR OF SPACED ENDS, A SLEEVE OF AN ELECTRICAL INSULATING MATERIAL SECURED IN THE HOLE IN SAID BASE PLATE AND PROJECTING ABOVE SAID ONE SURFACE OF SAID BASE PLATE, A PAIR OF RESISTANCE ELEMENT TERMINAL LUGS MOUNTED ON SAID SLEEVE AND ELECTRICALLY INSULATED FROM EACH OTHER, EACH OF SAID RESISTANCE ELEMENT TERMINAL LUGS HAVING A PORTION CLOSELY SURROUNDING SAID SLEEVE AND EXTENDING RADIALLY FROM SAID SLEEVE OVER SAID ONE SURFACE OF THE BASE PLATE AND BEING ELECTRICALLY CONNECTED TO SEPARATE ENDS OF SAID RESISTANCE PATH, A CONTACT PLATE MOUNTED ON SAID SLEEVE OVER SAID RESISTANCE ELEMENT TERMINAL LUGS AND ELECTRICALLY INSULATED FROM THE RESISTANCE ELEMENT TERMINAL LUGS, A CONTACT FINGER EXTENDING FROM SAID CONTACT PLATE AND ENGAGING SAID RESISTANCE PATH, A CONTACT
Claim 2
Dependent Claim
161 words
A POTENTIOMETER COMPRISING A FLAT BASE PLATE OF AN ELECTRICAL INSULATING MATERIAL, SAID BASE PLATE HAVING A HOLE THERETHROUGH, AN ARCUATE RESISTANCE PATH ON ONE SURFACE OF SAID BASE PLATE CONCENTRIC WITH SAID HOLE, SAID RESISTANCE PATH HAVING A PAIR OF SPACED ENDS, A SLEEVE OF AN ELECTRICAL INSULATING MATERIAL SECURED IN THE HOLE IN SAID BASE PLATE AND PROJECTING ABOVE SAID ONE SURFACE OF SAID BASE PLATE, A PAIR OF RESISTANCE ELEMENT TERMINAL LUGS MOUNTED ON SAID SLEEVE AND ELECTRICALLY INSULATED FROM EACH OTHER, EACH OF SAID RESISTANCE ELEMENT TERMINAL LUGS HAVING A PORTION CLOSELY SURROUNDING SAID SLEEVE AND EXTENDING RADIALLY FROM SAID SLEEVE OVER SAID ONE SURFACE OF THE BASE PLATE AND BEING ELECTRICALLY CONNECTED TO SEPARATE ENDS OF SAID RESISTANCE PATH, A CONTACT PLATE MOUNTED ON SAID SLEEVE OVER SAID RESISTANCE ELEMENT TERMINAL LUGS AND ELECTRICALLY INSULATED FROM THE RESISTANCE ELEMENT TERMINAL LUGS, A CONTACT FINGER EXTENDING FROM SAID CONTACT PLATE AND ENGAGING SAID RESISTANCE PATH, A CONTACT
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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) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |