US3306776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Galvanic primary cell
Assignee: Individual
•
Filing: 1964-02-27
•
Granted: 1967-02-28
•
Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 Pentti J Tamminen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:25
CPC Classifications
H; H01; H01M; H01M6/00; H01M6/30; H01M6/04; H01M6/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A GALVANIC PRIMARY CELL FOR WET DEFERRED ACTION BETTERIES COMPRISING A METAL CATHODE COATED WITH A LAYER CONSISTING OF POWDERED CARBON, POWDERED MANGANESE DIOXIDE, AND A PLASTIC BINDER MATERIAL, AN ELECTROLYTE CONSISTING OF WATER, AT LEAST 15% OF HYDROCHLORIC ACID, AND LITHIUM CHLORIDE, SAID LITHIUM CHLORIDE BEING IN AN AMOUNT NOT MORE THAN 10%, AND A SOLUBLE METAL ANODE SELECTED FROM THE GROUP CONSISTING OF ZINC, MAGNESIUM, ALUMINUM, AND ALLOYS OF SAID METALS.
Claim 2
Dependent Claim
73 words
A GALVANIC PRIMARY CELL FOR WET DEFERRED ACTION BETTERIES COMPRISING A METAL CATHODE COATED WITH A LAYER CONSISTING OF POWDERED CARBON, POWDERED MANGANESE DIOXIDE, AND A PLASTIC BINDER MATERIAL, AN ELECTROLYTE CONSISTING OF WATER, AT LEAST 15% OF HYDROCHLORIC ACID, AND LITHIUM CHLORIDE, SAID LITHIUM CHLORIDE BEING IN AN AMOUNT NOT MORE THAN 10%, AND A SOLUBLE METAL ANODE SELECTED FROM THE GROUP CONSISTING OF ZINC, MAGNESIUM, ALUMINUM, AND ALLOYS OF SAID METALS.
References Cited (Backward Citations)
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Cited
US2279575A
Cited
US2472379A
Cited
US2399127A
Cited
US2403571A
Cited
US2937219A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |