US3284697A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Exponential function potentiometer
Assignee: Individual
•
Filing: 1964-01-21
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Granted: 1966-11-08
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Expires: 1984-01-21
Abstract
No abstract record available.
Inventors
- 👤 George A May
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:03
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/04; H01C10/30; H01C10/38; H01C10/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
A POTENTIOMETER COMPRISING A FIRST RESISTIVE LAYER, A SECOND RESISTIVE LAYER IN CONTACT WITH SAID FIRST RESISTIVE LAYER AND HAVING THE SAME LENGTH AS SAID FIRST RESISTIVE LAYER, A CONDUCSTIVE LAYER OF THE SAME LENGTH AS SAID RESISTIVE LAYERS AND IN CONTACT WITH THE SECOND RESISTIVE LAYER BUT NOT IN CONTACT WITH SAID FIRST RESISTIVE LAYER, A PAIR OF TERMINALS ONE CONNECTED TO ONE END OF SAID FIRST RESISTIVE LAYER AND THE OTHER TO THE OTHER END OF SAID FIRST RESISTIVE LAYER, A THIRD TERMINAL CONNECTED TO THE CONDUCTIVE LAYER, A MOVABLE CONTACT SLIDABLY ENGAGING THE FIRST RESISTIVE LAYER AND IN ELECTRICAL CONTACT THEREWITH.
Claim 2
Dependent Claim
104 words
A POTENTIOMETER COMPRISING A FIRST RESISTIVE LAYER, A SECOND RESISTIVE LAYER IN CONTACT WITH SAID FIRST RESISTIVE LAYER AND HAVING THE SAME LENGTH AS SAID FIRST RESISTIVE LAYER, A CONDUCSTIVE LAYER OF THE SAME LENGTH AS SAID RESISTIVE LAYERS AND IN CONTACT WITH THE SECOND RESISTIVE LAYER BUT NOT IN CONTACT WITH SAID FIRST RESISTIVE LAYER, A PAIR OF TERMINALS ONE CONNECTED TO ONE END OF SAID FIRST RESISTIVE LAYER AND THE OTHER TO THE OTHER END OF SAID FIRST RESISTIVE LAYER, A THIRD TERMINAL CONNECTED TO THE CONDUCTIVE LAYER, A MOVABLE CONTACT SLIDABLY ENGAGING THE FIRST RESISTIVE LAYER AND IN ELECTRICAL CONTACT THEREWITH.
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) | 1969-11-07 | 1970-05-09 | 1970-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-07 | 1974-05-09 | 1974-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-07 | 1978-05-09 | 1978-11-08 | $7700.00 | Window Closed / Lapsed |