US3148090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Salt water battery
Assignee: Espey Mfg and Electronics Corp
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Filing: 1962-02-05
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Granted: 1964-09-08
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Expires: 1982-02-05
Abstract
No abstract record available.
Inventors
- 👤 Saslow Seymour
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:23
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/32; H01M6/34; H01M50/00; H01M50/50; H01M50/531; H01M50/536; H01M50/54; H01M6/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
351 words
A BATTERY WHICH BECOMES ACTIVATED WHEN FILLED WITH SALT WATER COMPRISING A FIRST RIGID SHEET OF INSULATING MATERIAL, A SECOND RIGID SHEET OF INSULATING MATERIAL SPACED FROM SAID FIRST SHEET OF INSULATING MATERIAL DEFINING A FIRST CAVITY THEREBETWEN, A THIRD RIGID SHEET OF INSULATING MATERIAL SPACED FROM SAID FIRST SHEET OF INSULATING MATERIAL ON THE OPPOSITE SIDE THEREOF FROM SAID SECOND SHEET OF INSULATING MATERIAL AND DEFINING A SECOND CAVITY BETWEEN SAID THIRD SHEET OF INSULATING MATERIAL AND SAID FIRST SHEET OF INSULATING MATERIAL, A FIRST PAIR OF GENERALLY U-SHAPED RIGID SEPARATING MEMBERS OF INSULATING MATERIAL BETWEEN SAID FIRST AND SECOND SHEETS EXTENDING ALONG THE SIDES OF SAID FIRST AND SECOND SHEETS WITH THE OPEN ENDS OF SAID U-SHAPED MEMBERS FACING EACH OTHER, THE ENDS BEING SPACED SLIGHTLY APART LEAVING OPENINGS OPPOSITE EACH OTHER TO SAID FIRST CAVITY AND MAINTAINING SAID FIRST AND SECOND SHEETS SEPARATED IN SPACED RELATION, A SECOND PAIR OF GENERALLY U-SHAPED RIGID SEPARATING MEMBERS OF INSULATING MATERIAL BETWEEN SAID FIRST AND THIRD SHEETS EXTENDING ALONG THE SIDES OF SAID FIRST AND THIRD SHEETS DISPOSED LIKE SAID FIRST PAIR OF GENERALLY U-SHAPED MEMBERS LEAVING OPENINGS OPPOSITE EACH OTHER TO SAID SECOND CAVITY IN THE SAME RELATIVE POSITION AS SAID OPENINGS TO SAID FIRST CAVITY AND MAINTAINING SAID FIRST AND THIRD SHEETS OF INSULATING MATERIAL SEPARATED IN SPACED RELATION, A FIRST SHEET OF ANODE MATERIAL WITHIN SAID FIRST CAVITY FIXED AGAINST THE SIDE OF SAID FIRST SHEET OF INSULATING MATERIAL, A FIRST SHEET OF CATHODE MATERIAL WITHIN SAID FIRST CAVITY FIXED AGAINST THE SIDE OF SAID SECOND SHEET OF INSULATING MATERIAL, A SECOND SHEET OF SAID CATHODE MATERIAL WITHIN SAID SECOND CAVITY FIXED AGAINST THE SIDE OF SAID FIRST SHEET OF INSULATING MATERIAL, A SECOND SHEET OF SAID ANODE MATERIAL WITHIN SAID SECOND CAVITY FIXED AGAINST THE SIDE OF SAID THIRD SHEET OF INSULATING MATERIAL, SAID ANODE AND CATHODE MATERIALS BEING OF TYPES THAT GENERATE VOLTAGE THEREBETWEEN WHEN INTERCONNECTED BY SALT WATER, AND ELECTRICALLY CONDUCTING MEANS CONNECTING SAID FIRST SHEET OF SAID ANODE MATERIAL AND SAID SECOND SHEET OF SAID CATHODE MATERIAL THROUGH SAID FIRST SHEET OF INSULATING MATERIAL.
Claim 2
Dependent Claim
351 words
A BATTERY WHICH BECOMES ACTIVATED WHEN FILLED WITH SALT WATER COMPRISING A FIRST RIGID SHEET OF INSULATING MATERIAL, A SECOND RIGID SHEET OF INSULATING MATERIAL SPACED FROM SAID FIRST SHEET OF INSULATING MATERIAL DEFINING A FIRST CAVITY THEREBETWEN, A THIRD RIGID SHEET OF INSULATING MATERIAL SPACED FROM SAID FIRST SHEET OF INSULATING MATERIAL ON THE OPPOSITE SIDE THEREOF FROM SAID SECOND SHEET OF INSULATING MATERIAL AND DEFINING A SECOND CAVITY BETWEEN SAID THIRD SHEET OF INSULATING MATERIAL AND SAID FIRST SHEET OF INSULATING MATERIAL, A FIRST PAIR OF GENERALLY U-SHAPED RIGID SEPARATING MEMBERS OF INSULATING MATERIAL BETWEEN SAID FIRST AND SECOND SHEETS EXTENDING ALONG THE SIDES OF SAID FIRST AND SECOND SHEETS WITH THE OPEN ENDS OF SAID U-SHAPED MEMBERS FACING EACH OTHER, THE ENDS BEING SPACED SLIGHTLY APART LEAVING OPENINGS OPPOSITE EACH OTHER TO SAID FIRST CAVITY AND MAINTAINING SAID FIRST AND SECOND SHEETS SEPARATED IN SPACED RELATION, A SECOND PAIR OF GENERALLY U-SHAPED RIGID SEPARATING MEMBERS OF INSULATING MATERIAL BETWEEN SAID FIRST AND THIRD SHEETS EXTENDING ALONG THE SIDES OF SAID FIRST AND THIRD SHEETS DISPOSED LIKE SAID FIRST PAIR OF GENERALLY U-SHAPED MEMBERS LEAVING OPENINGS OPPOSITE EACH OTHER TO SAID SECOND CAVITY IN THE SAME RELATIVE POSITION AS SAID OPENINGS TO SAID FIRST CAVITY AND MAINTAINING SAID FIRST AND THIRD SHEETS OF INSULATING MATERIAL SEPARATED IN SPACED RELATION, A FIRST SHEET OF ANODE MATERIAL WITHIN SAID FIRST CAVITY FIXED AGAINST THE SIDE OF SAID FIRST SHEET OF INSULATING MATERIAL, A FIRST SHEET OF CATHODE MATERIAL WITHIN SAID FIRST CAVITY FIXED AGAINST THE SIDE OF SAID SECOND SHEET OF INSULATING MATERIAL, A SECOND SHEET OF SAID CATHODE MATERIAL WITHIN SAID SECOND CAVITY FIXED AGAINST THE SIDE OF SAID FIRST SHEET OF INSULATING MATERIAL, A SECOND SHEET OF SAID ANODE MATERIAL WITHIN SAID SECOND CAVITY FIXED AGAINST THE SIDE OF SAID THIRD SHEET OF INSULATING MATERIAL, SAID ANODE AND CATHODE MATERIALS BEING OF TYPES THAT GENERATE VOLTAGE THEREBETWEEN WHEN INTERCONNECTED BY SALT WATER, AND ELECTRICALLY CONDUCTING MEANS CONNECTING SAID FIRST SHEET OF SAID ANODE MATERIAL AND SAID SECOND SHEET OF SAID CATHODE MATERIAL THROUGH SAID FIRST SHEET OF INSULATING MATERIAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |