US3071673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mercury switch
Assignee: Individual
•
Filing: 1959-03-16
•
Granted: 1963-01-01
•
Expires: 1979-03-16
Abstract
No abstract record available.
Inventors
- 👤 Marton Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:06
CPC Classifications
H; H01; H01H; H01H29/00; H01H29/02; H01H29/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A MERCURY SWITCH COMPRISING A CAPILLARY TUBE, A BODY OF MERCURY WITHIN SAID TUBE, CONNECTOR MEANS TO FORM ELECTRICAL CONTACT TO SAID BODY OF MERCURY, AND ELECTRODE MEANS MOUNTED WITHIN SAID TUBE, SAID ELECTRODE MEANS HAVING AT LEAST TWO MERCURY ENGAGING CONTACT AREAS, EACH SAID AREA BEING SPACED INWARDLY FROM THE INNER WALL OF SAID CAPILLARY TUBE, EACH SAID MERCURY ENGAGING CONTACT AREA HAVING AT LEAST ONE FACE DISPOSED AT AN ANGLE SUBSTANTIALLY TANGENTIAL TO THE ADJACENT SURFACE OF THE BODY OF MERCURY WITHIN SAID TUBE WHEREBY THE SURFACE OF THE MERCURY IS ARRANGED TO SIMULTANEOUSLY ENGAGE ALL SAID MERCURY CONTACT AREAS WHEN THE SURFACE OF THE MERCURY IS BROUGHT INTO IMMEDIATE PROXIMITY OF SAID CONTACT AREAS TO ESTABLISH ELECTRICAL CONTACT BETWEEN THE ELECTRODE MEANS AND SAID CONNECTOR MEANS.
Claim 2
Dependent Claim
129 words
A MERCURY SWITCH COMPRISING A CAPILLARY TUBE, A BODY OF MERCURY WITHIN SAID TUBE, CONNECTOR MEANS TO FORM ELECTRICAL CONTACT TO SAID BODY OF MERCURY, AND ELECTRODE MEANS MOUNTED WITHIN SAID TUBE, SAID ELECTRODE MEANS HAVING AT LEAST TWO MERCURY ENGAGING CONTACT AREAS, EACH SAID AREA BEING SPACED INWARDLY FROM THE INNER WALL OF SAID CAPILLARY TUBE, EACH SAID MERCURY ENGAGING CONTACT AREA HAVING AT LEAST ONE FACE DISPOSED AT AN ANGLE SUBSTANTIALLY TANGENTIAL TO THE ADJACENT SURFACE OF THE BODY OF MERCURY WITHIN SAID TUBE WHEREBY THE SURFACE OF THE MERCURY IS ARRANGED TO SIMULTANEOUSLY ENGAGE ALL SAID MERCURY CONTACT AREAS WHEN THE SURFACE OF THE MERCURY IS BROUGHT INTO IMMEDIATE PROXIMITY OF SAID CONTACT AREAS TO ESTABLISH ELECTRICAL CONTACT BETWEEN THE ELECTRODE MEANS AND SAID CONNECTOR MEANS.
References Cited (Backward Citations)
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Cited
US1658620A
Cited
US2045003A
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US2297924A
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US2851618A
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US2959650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |