US3170048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multicontact no load electric switch
Assignee: Allis Chalmers Corp
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Filing: 1961-03-03
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Granted: 1965-02-16
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Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
- 👤 Charles E Glatz
- 👤 John M Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:17
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/0005; H01H1/00; H01H1/12; H01H1/14; H01H1/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A MULTICONTACT SWITCH COMPRISING: A STATIONARY INSULATING PLATE; A PLURALITY OF PARALLEL AND CIRCULAR ARRANGED CONTACT POSTS EXTENDING AXIALLY FROM SAID PLATE; AN ELECTRICAL INSULATING CONTACT HOUSING ROTATABLY MOUNTED ON SAID PLATE ON AN AXIS PARALLEL TO SAID PORTS AND CENTRALLY LOCATED WITHIN THE SPACE DEFINED BY SAID PORTS, AND HOUSING HAVING A PAIR OF DIAMETRICALLY DISPOSED ELECTRICAL INSULATING CONTACT HOLDERS; A PAIR OF DISK CONTACTS MOUNTED ON EACH OF SAID HOLDERS IN AXIALLY SPACED PLANES PERPENDICULAR TO SAID POSTS AND PARALLEL TO SAID PLATE AND INTERSECTING SAID POSTS, EACH SAID DISK HAVING A DISPLACEABLE AXIS OF ROTATION AND BEING OFFSET TO EACH BE IN A BRIDGING POSITION WITH A COMMON POST AND A DIFFERENT ONE OF THE TWO ADJACENT POSTS, SPRING MEANS FOR URGING SAID CONTACTS
Claim 2
Dependent Claim
127 words
A MULTICONTACT SWITCH COMPRISING: A STATIONARY INSULATING PLATE; A PLURALITY OF PARALLEL AND CIRCULAR ARRANGED CONTACT POSTS EXTENDING AXIALLY FROM SAID PLATE; AN ELECTRICAL INSULATING CONTACT HOUSING ROTATABLY MOUNTED ON SAID PLATE ON AN AXIS PARALLEL TO SAID PORTS AND CENTRALLY LOCATED WITHIN THE SPACE DEFINED BY SAID PORTS, AND HOUSING HAVING A PAIR OF DIAMETRICALLY DISPOSED ELECTRICAL INSULATING CONTACT HOLDERS; A PAIR OF DISK CONTACTS MOUNTED ON EACH OF SAID HOLDERS IN AXIALLY SPACED PLANES PERPENDICULAR TO SAID POSTS AND PARALLEL TO SAID PLATE AND INTERSECTING SAID POSTS, EACH SAID DISK HAVING A DISPLACEABLE AXIS OF ROTATION AND BEING OFFSET TO EACH BE IN A BRIDGING POSITION WITH A COMMON POST AND A DIFFERENT ONE OF THE TWO ADJACENT POSTS, SPRING MEANS FOR URGING SAID CONTACTS
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) | 1968-02-16 | 1968-08-17 | 1969-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-16 | 1972-08-17 | 1973-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-16 | 1976-08-17 | 1977-02-16 | $7700.00 | Window Closed / Lapsed |