US3365692A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable resistor and element
Assignee: Bourns Inc
•
Filing: 1966-03-10
•
Granted: 1968-01-23
•
Expires: 1986-03-10
Abstract
No abstract record available.
Inventors
- 👤 Carl C Sartain
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:53
CPC Classifications
H; H01; H01C; H01C10/00; H01C7/00; H01C7/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A RESISTANCE ELEMENT FOR USE IN VARIABLE RESISTORS SUCH AS POTENTIOMETERS, SAID ELEMENT COMPRISING A MASS OF STABLE SHAPE AND A SURFACE COMPOSED OF HOMOGENEOUS MATERIAL CONFORMING TO THE FORMULA FEXCO1-XSI, WHEREIN FE, CO, AND SI REPRESENT IRON, COBALT AND SILICON, RESPECTIVELY, AND WHEREIN X IS A NUMERICAL VALUE WITHIN THE RANGE OF 0.07 TO 0.09.
Claim 2
Dependent Claim
56 words
A RESISTANCE ELEMENT FOR USE IN VARIABLE RESISTORS SUCH AS POTENTIOMETERS, SAID ELEMENT COMPRISING A MASS OF STABLE SHAPE AND A SURFACE COMPOSED OF HOMOGENEOUS MATERIAL CONFORMING TO THE FORMULA FEXCO1-XSI, WHEREIN FE, CO, AND SI REPRESENT IRON, COBALT AND SILICON, RESPECTIVELY, AND WHEREIN X IS A NUMERICAL VALUE WITHIN THE RANGE OF 0.07 TO 0.09.
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) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |