US2935579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical switch
Assignee: Sayles St Sales Co
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Filing: 1958-06-09
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Granted: 1960-05-03
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Expires: 1978-06-09
Abstract
No abstract record available.
Inventors
- 👤 Sherman S Fishman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:25
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/06; H01H1/065
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A SWITCH ELEMENT COMPRISING A CLOSED CONTAINER FORMED FROM A NON-CONDUCTIVE MATERIAL AND HAVING AT LEAST TWO ELECTRODES PASSING FROM THE EXTERIOR OF THE CONTAINER THROUGH THE CONTAINER WALLS INTO THE INTERIOR OF THE CONTAINER, THE CONTAINER BEING PARTIALLY FILLED WITH A MASS OF ELECTRICALLY CONDUCTIVE SPHERICULES APPROXIMATELY SPHERICAL IN SHAPE AND HAVING DIAMETERS IN EXCESS OF 200 MICRONS, SAID SPHERICULES SELECTED FROM THE GROUPS OF METALS CONSISTING OF COPPER, SILVER, GOLD, PLATINUM, ALUMINUM, COLUMBIUM, TANTALIUM, TUNGSTEN, MAGNESIUM, ZICORNIUM, BERYLLIUM AND VANADIUM, THE ELECTRODES BEING SO SPACED IN RELATION TO THE MASS OF CONDUCTIVE SPHERICULES THAT WHEN THE SWITCH ELEMENT IS ROTATED AND BROUGHT TO REST WITH THE ELECTRODES AT THE
Claim 2
Dependent Claim
111 words
A SWITCH ELEMENT COMPRISING A CLOSED CONTAINER FORMED FROM A NON-CONDUCTIVE MATERIAL AND HAVING AT LEAST TWO ELECTRODES PASSING FROM THE EXTERIOR OF THE CONTAINER THROUGH THE CONTAINER WALLS INTO THE INTERIOR OF THE CONTAINER, THE CONTAINER BEING PARTIALLY FILLED WITH A MASS OF ELECTRICALLY CONDUCTIVE SPHERICULES APPROXIMATELY SPHERICAL IN SHAPE AND HAVING DIAMETERS IN EXCESS OF 200 MICRONS, SAID SPHERICULES SELECTED FROM THE GROUPS OF METALS CONSISTING OF COPPER, SILVER, GOLD, PLATINUM, ALUMINUM, COLUMBIUM, TANTALIUM, TUNGSTEN, MAGNESIUM, ZICORNIUM, BERYLLIUM AND VANADIUM, THE ELECTRODES BEING SO SPACED IN RELATION TO THE MASS OF CONDUCTIVE SPHERICULES THAT WHEN THE SWITCH ELEMENT IS ROTATED AND BROUGHT TO REST WITH THE ELECTRODES AT THE
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) | 1963-05-03 | 1963-11-02 | 1964-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-03 | 1967-11-02 | 1968-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-03 | 1971-11-02 | 1972-05-03 | $7700.00 | Window Closed / Lapsed |