Patent US3238316A successfully refreshed from Google Patents.
US3238316A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spherical shaped multiple contact switch with pivot arm and plunger mechanism
Assignee: AT&T Inc
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Filing: 1963-11-12
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Granted: 1966-03-01
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Catherine H Voss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:32
CPC Classifications
H; H01; H01H; H01H25/00; H01H25/04; G; G05; G05G; G05G9/00; G05G9/02; G05G9/04; G05G9/047; G05G2009/04703; G05G2009/04707; G05G2009/0474; G05G2009/04744
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A MULTIPLE CONTACT SWITCH, A NON-CONDUCTIVE HOUSING HAVING A SPHERICAL CAVITY AND A PASSAGEWAY EXTENDING THERETO, A PLURALITY OF PRE-ARRANGED FIRST AND SECOND CONDUCTIVE MEANS MOUNTED IN SAID HOUSING AND EXPOSED TO SAID CAVITY, A NON-CONDUCTIVE SPHERICAL MEMBER MOUNTED WITHIN SAID CAVITY AND ENGAGING THE WALLS THEREOF, THIRD CONDUCTIVE MEANS MOUNTED IN SAID SPHERICAL MEMBER, AND MEANS EXTENDING THROUGH SAID PASSAGEWAY AND SAID SPHERICAL MEMBER FOR PIVOTING SAID SPHERICAL MEMBER TO SELECTIVELY ENGAGE SAID SECOND CONDUCTIVE MEANS AND THEN FOR ROTATING SAID SPHERICAL MEMBER TO THEN SELECTIVELY ENGAGE SAID THIRD CONDUCTIVE MEANS WITH SAID FIRST CONDUCTIVE MEANS.
Claim 2
Dependent Claim
98 words
IN A MULTIPLE CONTACT SWITCH, A NON-CONDUCTIVE HOUSING HAVING A SPHERICAL CAVITY AND A PASSAGEWAY EXTENDING THERETO, A PLURALITY OF PRE-ARRANGED FIRST AND SECOND CONDUCTIVE MEANS MOUNTED IN SAID HOUSING AND EXPOSED TO SAID CAVITY, A NON-CONDUCTIVE SPHERICAL MEMBER MOUNTED WITHIN SAID CAVITY AND ENGAGING THE WALLS THEREOF, THIRD CONDUCTIVE MEANS MOUNTED IN SAID SPHERICAL MEMBER, AND MEANS EXTENDING THROUGH SAID PASSAGEWAY AND SAID SPHERICAL MEMBER FOR PIVOTING SAID SPHERICAL MEMBER TO SELECTIVELY ENGAGE SAID SECOND CONDUCTIVE MEANS AND THEN FOR ROTATING SAID SPHERICAL MEMBER TO THEN SELECTIVELY ENGAGE SAID THIRD CONDUCTIVE MEANS WITH SAID FIRST CONDUCTIVE MEANS.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |