US3099810A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Miniature potentiometer
Assignee: Beckman Coulter Inc
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Filing: 1960-03-18
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Granted: 1963-07-30
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Expires: 1980-03-18
Abstract
No abstract record available.
Inventors
- 👤 Habereder Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:20
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/14; H01C10/30; H01C10/32; Y; Y10; Y10S; Y10S338/00; Y10S338/01; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/2066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A VARIABLE RESISTANCE COMPRISING A HOUSING, A RESISTANCE ELEMENT MOUNTED WITHIN SAID HOUSING, A CONTACT MEMBER ENGAGING SAID RESISTANCE ELEMENT, MEANS FOR ROTATABLY MOUNTING SAID CONTACT MEMBER INCLUDING A CONTACT MOUNTING GEAR ROTATABLY MOUNTED WITH RESPECT TO SAID HOUSING AND IN FIXED RELATIONSHIP WITH SIAD CONTACT MEMBER, A WORM GEAR MOUNTED IN SAID HOUSING IN ENGAGEMENT WITH SAID GEAR, SAID WORM GEAR HAVING AN ANNULAR GROOVE EXTENDING INTO A CAVITY FORMED WITHIN SAID HOUSING, AND MEANS FORMED OF A RESILIENT MATERIAL SUCH AS POLYCHLOROTRIFLUOROETHYLENE RESIN RETAINED IN SAID CAVITY AND DEFORMED BY THE FACE OF SAID ANNULAR GROOVE FOR FRICTION LOADING THE WORM GEAR.
Claim 2
Dependent Claim
104 words
A VARIABLE RESISTANCE COMPRISING A HOUSING, A RESISTANCE ELEMENT MOUNTED WITHIN SAID HOUSING, A CONTACT MEMBER ENGAGING SAID RESISTANCE ELEMENT, MEANS FOR ROTATABLY MOUNTING SAID CONTACT MEMBER INCLUDING A CONTACT MOUNTING GEAR ROTATABLY MOUNTED WITH RESPECT TO SAID HOUSING AND IN FIXED RELATIONSHIP WITH SIAD CONTACT MEMBER, A WORM GEAR MOUNTED IN SAID HOUSING IN ENGAGEMENT WITH SAID GEAR, SAID WORM GEAR HAVING AN ANNULAR GROOVE EXTENDING INTO A CAVITY FORMED WITHIN SAID HOUSING, AND MEANS FORMED OF A RESILIENT MATERIAL SUCH AS POLYCHLOROTRIFLUOROETHYLENE RESIN RETAINED IN SAID CAVITY AND DEFORMED BY THE FACE OF SAID ANNULAR GROOVE FOR FRICTION LOADING THE WORM GEAR.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |