US3308046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Galvanic action device for scuttling floating objects
Assignee: Hazeltine Research Inc
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Filing: 1963-02-06
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Granted: 1967-03-07
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Expires: 1983-02-06
Abstract
No abstract record available.
Inventors
- 👤 Anthony C Suleski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:22
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/50; H01M6/26; H01M6/30; H01M6/32; H01M6/34; H01M2200/00; H01M2200/10; Y; Y10; Y10T; Y10T137/00; Y10T137/1624
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A GALVANIC ACTION DEVICE COMPRISING: A GALVANIC CELL WHICH DEVELOPS A CORROSION CURRENT HAVING A MAGNITUDE DEPENDENT UPON THE TEMPERATURE OF AN ELECTROLYTE IN WHICH SAID CELL IS IMMERSED; A BIMETALLIC DISC WHICH EXPANDS OR CONTRACTS IN RESPONSE TO TEMPERATURE CHANGES FOR DETECTING CHANGES IN SAID TEMPERATURE; AND A CARBON RESISTIVE ELEMENT ELECTRICALLY CONNECTED IN SERIES WITH THE ELECTRODES OF SAID GALVANIC CELL AND CAPABLE OF VARYING IN RESISTANCE BY CONTRACTING OR EXPANDING IN RESPONSE TO EXPANSIONS OR CONTRACTIONS OF SAID BIMETALLIC DISC FOR VARYING THE RESISTANCE THROUGH WHICH SAID CORROSION CURRENT FLOW TO COMPENSATE FOR CHANGES IN SAID CURRENT WHICH TEND TO BE DEVELOPED BY CHANGES IN SAID TEMPERATURE.
Claim 2
Dependent Claim
110 words
A GALVANIC ACTION DEVICE COMPRISING: A GALVANIC CELL WHICH DEVELOPS A CORROSION CURRENT HAVING A MAGNITUDE DEPENDENT UPON THE TEMPERATURE OF AN ELECTROLYTE IN WHICH SAID CELL IS IMMERSED; A BIMETALLIC DISC WHICH EXPANDS OR CONTRACTS IN RESPONSE TO TEMPERATURE CHANGES FOR DETECTING CHANGES IN SAID TEMPERATURE; AND A CARBON RESISTIVE ELEMENT ELECTRICALLY CONNECTED IN SERIES WITH THE ELECTRODES OF SAID GALVANIC CELL AND CAPABLE OF VARYING IN RESISTANCE BY CONTRACTING OR EXPANDING IN RESPONSE TO EXPANSIONS OR CONTRACTIONS OF SAID BIMETALLIC DISC FOR VARYING THE RESISTANCE THROUGH WHICH SAID CORROSION CURRENT FLOW TO COMPENSATE FOR CHANGES IN SAID CURRENT WHICH TEND TO BE DEVELOPED BY CHANGES IN SAID TEMPERATURE.
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) | 1970-03-06 | 1970-09-05 | 1971-03-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-06 | 1974-09-05 | 1975-03-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-06 | 1978-09-05 | 1979-03-07 | $7700.00 | Window Closed / Lapsed |