US2715151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric storage battery and method
Assignee: Electro-Acid Corp
•
Filing: 1953-07-14
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Granted: 1955-08-09
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Expires: 1973-07-14
Abstract
No abstract record available.
Inventors
- 👤 Gritman Carl
- 👤 Broussard Robert
- 👤 Charles A Toce
- 👤 John H Joynt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:03
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/36; H01M4/48; H01M4/56; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN THE PRODUCTION OF AN ELECTRIC STORAGE BATTERY OF THE LEAD-LEAD PEROXIDE-SULPHURIC ACID TYPE, THE METHOD OF PRELIMINARILY TREATING THE ACTIVE PLATE MATERIALS THEREOF, APART FROM AND BEFORE THEY ARE APPLIED TO THE PLATES THEMSELVES, COMPRISING SUBJECTING PLATE MATERIAL SELECTED FROM THE GROUP CONSISTING OF POWDERED LEAD, SPONGE LEAD AND POWDERED LEAD PEROXIDE TO ELECTROLYTE AND SOLUIN THE PRESENCE OF A SULPHURIC ACID ELECTROLYTE AND SOLUBLE COMPOUND OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF SELENIUM, TELLURIUM AND GERMANIUM, FOR A TIME SUFFICIENT TO PLATE ONTO THE PARTICLES OF THE ACTIVE MATERIAL, A THIN FILM OF THE PLATING MATERIAL.
Claim 2
Dependent Claim
100 words
IN THE PRODUCTION OF AN ELECTRIC STORAGE BATTERY OF THE LEAD-LEAD PEROXIDE-SULPHURIC ACID TYPE, THE METHOD OF PRELIMINARILY TREATING THE ACTIVE PLATE MATERIALS THEREOF, APART FROM AND BEFORE THEY ARE APPLIED TO THE PLATES THEMSELVES, COMPRISING SUBJECTING PLATE MATERIAL SELECTED FROM THE GROUP CONSISTING OF POWDERED LEAD, SPONGE LEAD AND POWDERED LEAD PEROXIDE TO ELECTROLYTE AND SOLUIN THE PRESENCE OF A SULPHURIC ACID ELECTROLYTE AND SOLUBLE COMPOUND OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF SELENIUM, TELLURIUM AND GERMANIUM, FOR A TIME SUFFICIENT TO PLATE ONTO THE PARTICLES OF THE ACTIVE MATERIAL, A THIN FILM OF THE PLATING 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) | 1958-08-08 | 1959-02-07 | 1959-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-08 | 1963-02-07 | 1963-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-08 | 1967-02-07 | 1967-08-09 | $7700.00 | Window Closed / Lapsed |