US3294929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch with roller and ball contact structure
Assignee: Arrow Hart and Hegeman Electric Co
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Filing: 1965-09-03
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Granted: 1966-12-27
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 David W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:57
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/12; H01H1/14; H01H1/16; H01H19/00; H01H19/02; H01H19/10; H01H19/11; H01H19/54; H01H19/56; H01H19/58; H01H19/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A ROTARY ELECTRIC MEANS COMPRISING AN INSULATING CARRIER PLATE HAVING A PLURALITY OF CIRCULARLY ARRANGED APERTURES, A PLURALITY OF CENTRAL FIXED CONTACTS ARRANGED ADJACENT THE INNER EDGES OF SAID APERTURES, A PLURALITY OF PERIPHERAL FIXED CONTACT MEMBERS ADJACENT THE OUTER EDGES OF SAID APERTURES, A MANUALLY OPERABLE ROTARY MEMBER, A FIRST CLASS OF ONE OR MORE RESILIENTLY SUPPORTED CONNECTING MEMBERS CARRIED BY SAID ROTARY MEMBER, EACH OF SAID CONNECTING MEMBERS BEING ADAPTED TO BRIDGE A CENTRAL FIXED CONTACT AND A PERIPHERAL CONTACT, IN COMBINATION WITH A SECOND RESILIENTLY SUPPORTED CONNECTING MEMBER, SAID SECOND MEMBER BEING DIFFERENT GEOMETRICALLY FROM CONNECTING MEMBERS OF THE FIRST CLASS, AND MEANS FOR INSULATING SAID SECOND CONNECTING MEMBER FOR CERTAIN BUT NOT FROM ALL OF SAID FIXED CONTACTS AS SAID ROTARY MEMBER IS ROTATED, SAID INSULATING MEANS BEING INOPERATIVE TO INSULATE SAID FIRST CLASS OF CONNECTING MEMBERS FROM ANY OF SAID FIXED CONTACTS.
Claim 2
Dependent Claim
147 words
A ROTARY ELECTRIC MEANS COMPRISING AN INSULATING CARRIER PLATE HAVING A PLURALITY OF CIRCULARLY ARRANGED APERTURES, A PLURALITY OF CENTRAL FIXED CONTACTS ARRANGED ADJACENT THE INNER EDGES OF SAID APERTURES, A PLURALITY OF PERIPHERAL FIXED CONTACT MEMBERS ADJACENT THE OUTER EDGES OF SAID APERTURES, A MANUALLY OPERABLE ROTARY MEMBER, A FIRST CLASS OF ONE OR MORE RESILIENTLY SUPPORTED CONNECTING MEMBERS CARRIED BY SAID ROTARY MEMBER, EACH OF SAID CONNECTING MEMBERS BEING ADAPTED TO BRIDGE A CENTRAL FIXED CONTACT AND A PERIPHERAL CONTACT, IN COMBINATION WITH A SECOND RESILIENTLY SUPPORTED CONNECTING MEMBER, SAID SECOND MEMBER BEING DIFFERENT GEOMETRICALLY FROM CONNECTING MEMBERS OF THE FIRST CLASS, AND MEANS FOR INSULATING SAID SECOND CONNECTING MEMBER FOR CERTAIN BUT NOT FROM ALL OF SAID FIXED CONTACTS AS SAID ROTARY MEMBER IS ROTATED, SAID INSULATING MEANS BEING INOPERATIVE TO INSULATE SAID FIRST CLASS OF CONNECTING MEMBERS FROM ANY OF SAID FIXED CONTACTS.
References Cited (Backward Citations)
US2817722A
Cited
US2834842A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |