US2682593A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical contact
Assignee: General Electric Co
•
Filing: 1949-06-28
•
Granted: 1954-06-29
•
Expires: 1969-06-28
Abstract
No abstract record available.
Inventors
- 👤 Alfred L Jenny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:51
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A SWITCH CONTACT COMPRISING A HIGH CONDUCTIVITY METAL BASE, AND A COATING OF A SILVERRICH SILVER-MERCURY ALLOY CONTAINING FROM 5 TO 25 PER CENT MERCURY THE SURFACE OF WHICH IS COMPOSED OF SILVER AND MERCURY IODIDE, THE MERCURY IODIDE COMPRISING AT LEAST 5 PERCENT BY WEIGHT OF THE COMBINED IODIDE COMPONENTS OF THE SURFACE.
Claim 2
Dependent Claim
54 words
A SWITCH CONTACT COMPRISING A HIGH CONDUCTIVITY METAL BASE, AND A COATING OF A SILVERRICH SILVER-MERCURY ALLOY CONTAINING FROM 5 TO 25 PER CENT MERCURY THE SURFACE OF WHICH IS COMPOSED OF SILVER AND MERCURY IODIDE, THE MERCURY IODIDE COMPRISING AT LEAST 5 PERCENT BY WEIGHT OF THE COMBINED IODIDE COMPONENTS OF THE SURFACE.
References Cited (Backward Citations)
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US1720216A
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US1602595A
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US1759293A
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US1860505A
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US2281446A
Cited
US2116215A
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US2195231A
Cited
US2430468A
Cited
US2469878A
Cited
US2583581A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |