US3123792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Switch-rheostat
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 19:02
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/02; H01C; H01C10/00; H01C10/10; H01C10/50; H01H3/00; H01H3/02; H01H3/0213
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A SWITCH-RHEOSTAT COMPRISING A PAIR OF TELESCOPICALLY AND SLIDABLY ARRANGED HOUSING SECTIONS, MEANS ON EACH OF SAID SECTIONS COOPERATING TO PREVENT INADVERTENT SEPARATION THEREOF, THE FIRST OF SAID SECTIONS DEFINING A RECESS, A FIRST CONTACT MEMBER IN SAID FIRST SECTION IN ELECTRICAL CONTACT WITH SAID MATERIAL, A CONDUCTOR MEMBER IN SAID FIRST SECTION ADJACENT SAID MATERIAL, A SECOND CONTACT MEMBER IN THE SECOND HOUSING SECTION, AND A RESILIENT SLEEVE IN SAID FIRST HOUSING SECTION AND SUPPORTING SAID CONDUCTOR MEMBER RELATIVE TO SAID MATERIAL AND SAID SECOND CONTACT MEMBER IN SPACED RELATIONSHIP WITH SAID CONDUCTOR MEMBER, SAID SECOND HOUSING SECTION BEING SLIDABLE AXIALLY WHEREBY SAID SECOND CONTACT MEMBER FIRST WILL ENGAGE SAID CONDUCTOR MEMBER TO CLOSE THE CIRCUIT BETWEEN THE CONTACT MEMBERS AND FURTHER MOVEMENT THEREOF WILL COMPRESS SAID MATERIAL TO DECREASE THE RESISTANCE THEREOF.
Claim 2
Dependent Claim
134 words
A SWITCH-RHEOSTAT COMPRISING A PAIR OF TELESCOPICALLY AND SLIDABLY ARRANGED HOUSING SECTIONS, MEANS ON EACH OF SAID SECTIONS COOPERATING TO PREVENT INADVERTENT SEPARATION THEREOF, THE FIRST OF SAID SECTIONS DEFINING A RECESS, A FIRST CONTACT MEMBER IN SAID FIRST SECTION IN ELECTRICAL CONTACT WITH SAID MATERIAL, A CONDUCTOR MEMBER IN SAID FIRST SECTION ADJACENT SAID MATERIAL, A SECOND CONTACT MEMBER IN THE SECOND HOUSING SECTION, AND A RESILIENT SLEEVE IN SAID FIRST HOUSING SECTION AND SUPPORTING SAID CONDUCTOR MEMBER RELATIVE TO SAID MATERIAL AND SAID SECOND CONTACT MEMBER IN SPACED RELATIONSHIP WITH SAID CONDUCTOR MEMBER, SAID SECOND HOUSING SECTION BEING SLIDABLE AXIALLY WHEREBY SAID SECOND CONTACT MEMBER FIRST WILL ENGAGE SAID CONDUCTOR MEMBER TO CLOSE THE CIRCUIT BETWEEN THE CONTACT MEMBERS AND FURTHER MOVEMENT THEREOF WILL COMPRESS SAID MATERIAL TO DECREASE THE RESISTANCE THEREOF.
References Cited (Backward Citations)
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Cited
US1159674A
Cited
US2367441A
Cited
US2333814A
Cited
US2394271A
Cited
US2475696A
Cited
US2856492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |