US3307133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parallel ganged multiple potentiometer
Assignee: Century Lighting Inc
•
Filing: 1963-08-16
•
Granted: 1967-02-28
•
Expires: 1983-08-16
Abstract
No abstract record available.
Inventors
- 👤 Frederick M Wolff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:57
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/16; H01C10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A PARALLEL GANGED MULTIPLE POTENTIOMETER COMPRISING A CASING INCLUDING NUMEROUS ELONGATED LINEAR PARALLEL NARROW SLOTS, NUMEROUS BRIDGE CONTACTS EACH MOUNTED FOR PARALLEL SLIDING MOVEMENT IN A DIFFERENT SLOT, A WALL OF SAID CASING AND A SECTION OF EACH BRIDGE CONTACT BOTH HAVING TEETH OF LIKE CONTOUR, SPRING BIASING MEANS URGING SAID TEETH INTO DISENGAGEABLE INTERCONNECTION SO AS TO SELECTIVELY LOCK ANY BRIDGE CONTACT ALONG ON ITS ASSOCIATED SLOT, AND ELECTRICAL PRINTED CIRCUIT MEANS CARRIED BY A WALL OF THE CASING, SAID PRINTED CIRCUIT MEANS COMPRISING INPUT BUSSES, NUMEROUS ABLATABLE RESISTANCE BANDS ELECTRICALLY CONNECTED IN PARALLEL BETWEEN THE BUSSES SO AS TO EACH INDUCE A LIKE VOLTAGE GRADIENT, CONDUCTIVE ABRASION-RESISTANT TAP SEGMENTS DISPOSED IN ROWS PARALLEL TO THE SLOTS, EACH ROW BEING ASSOCIATED WITH A DIFFERENT RESISTANCE BAND AND EACH TAP SEGMENT BEING ELECTRICALLY JOINED TO ITS AFFILI-
Claim 2
Dependent Claim
137 words
A PARALLEL GANGED MULTIPLE POTENTIOMETER COMPRISING A CASING INCLUDING NUMEROUS ELONGATED LINEAR PARALLEL NARROW SLOTS, NUMEROUS BRIDGE CONTACTS EACH MOUNTED FOR PARALLEL SLIDING MOVEMENT IN A DIFFERENT SLOT, A WALL OF SAID CASING AND A SECTION OF EACH BRIDGE CONTACT BOTH HAVING TEETH OF LIKE CONTOUR, SPRING BIASING MEANS URGING SAID TEETH INTO DISENGAGEABLE INTERCONNECTION SO AS TO SELECTIVELY LOCK ANY BRIDGE CONTACT ALONG ON ITS ASSOCIATED SLOT, AND ELECTRICAL PRINTED CIRCUIT MEANS CARRIED BY A WALL OF THE CASING, SAID PRINTED CIRCUIT MEANS COMPRISING INPUT BUSSES, NUMEROUS ABLATABLE RESISTANCE BANDS ELECTRICALLY CONNECTED IN PARALLEL BETWEEN THE BUSSES SO AS TO EACH INDUCE A LIKE VOLTAGE GRADIENT, CONDUCTIVE ABRASION-RESISTANT TAP SEGMENTS DISPOSED IN ROWS PARALLEL TO THE SLOTS, EACH ROW BEING ASSOCIATED WITH A DIFFERENT RESISTANCE BAND AND EACH TAP SEGMENT BEING ELECTRICALLY JOINED TO ITS AFFILI-
References Cited (Backward Citations)
USRE18521E
Cited
US1621233A
Cited
US2612557A
Cited
US2871328A
Cited
US2903633A
Cited
US3161850A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |