Patent US2785322A successfully refreshed from Google Patents.
US2785322A
Expired / Lapsed
US
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Stable liquid electrodes
Assignee: AT&T Inc
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Filing: 1953-08-04
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Granted: 1957-03-12
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Expires: 1973-08-04
Abstract
No abstract record available.
Inventors
- 👤 Elizabeth A Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:21
CPC Classifications
H; H03; H03H; H03H9/00; H03H9/02; H03H9/05; H03H9/0504; H03H9/0533; H03H9/10; H03H9/1007; H03H9/1014; H03H9/125; H03H9/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
ELECTRICAL CONTACT MEANS FOR A FERROELECTRIC CRYSTAL ELEMENT COMPRISING IN COMBINATION A PAIR OF CONDUCTING WIRES THE TERMINALS OF WHICH ARE SPACED APART FROM OPPOSING MAJOR SURFACES OF SAID ELEMENT, AND DROPS OF AN ELECTROLYTE COMPRISING AN AQUEOUS SOLUTION OF A HYGROSCOPIC SALT IN MOISTURE EXCHANGE EQUILIBRIUM WITH THE AMBIENT ATMOSPHERE, SAID DROPS BEING IMTERPOSED IN ELECTRICAL CONDUCTING RELATION BETWEEN EACH OF SAID WIRE TERMINALS AND A RESPECTIVE ONE OF SAID SURFACES, WHEREIN SAID ELECTROLYTE HAS SUBSTANTIALLY NO CHEMICAL AFFINITY FOR SAID CRYSTAL ELEMENT AND SAID WIRE TERMINALS.
Claim 2
Dependent Claim
88 words
ELECTRICAL CONTACT MEANS FOR A FERROELECTRIC CRYSTAL ELEMENT COMPRISING IN COMBINATION A PAIR OF CONDUCTING WIRES THE TERMINALS OF WHICH ARE SPACED APART FROM OPPOSING MAJOR SURFACES OF SAID ELEMENT, AND DROPS OF AN ELECTROLYTE COMPRISING AN AQUEOUS SOLUTION OF A HYGROSCOPIC SALT IN MOISTURE EXCHANGE EQUILIBRIUM WITH THE AMBIENT ATMOSPHERE, SAID DROPS BEING IMTERPOSED IN ELECTRICAL CONDUCTING RELATION BETWEEN EACH OF SAID WIRE TERMINALS AND A RESPECTIVE ONE OF SAID SURFACES, WHEREIN SAID ELECTROLYTE HAS SUBSTANTIALLY NO CHEMICAL AFFINITY FOR SAID CRYSTAL ELEMENT AND SAID WIRE TERMINALS.
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) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |