US2859268A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zinc electrode for primary batteries
Assignee: Individual
•
Filing: 1955-05-04
•
Granted: 1958-11-04
•
Expires: 1975-05-04
Abstract
No abstract record available.
Inventors
- 👤 Fischbach Adolph
- 👤 Achille L Almerini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:02
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/06; H01M4/08; H01M4/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE METHOD OF MANUFACTURING ZINC ELECTRODES OF VERY HIGH POROSITY FOR PRIMARY, SPECIAL PURPOSE BATTERIES CAPABLE OF BEING DISCHARGED AT EXTREMELY HIGH DISCHARGE RATES COMPRISING MIXING FINELY GROUND ZINC OXIDE POWDER WITH A SOLUTION OF A HIGH POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYSTYRENE, POLYETHYLENE, POLYMETHYLMETACRYLATE AND SILICONES IN AN ANHYDROUS VOLATILE SOLGANIC SOLVENT TO FORM A PASTE, PASTING SAID ANHYDROUS PASTE INTO A SUPPORTING GRID, ALLOWING THE ORGANIC VOLATILE ORVENT TO EVAPORATE AND CATHODICALLY REDUCING THE DRIED ZINC OXIDE TO METALLIC ZINC BY A FORMING PROCESS TO OBTAIN A ZINC ELECTRODE OF VERY HIGH POROSITY.
Claim 2
Independent Claim
97 words
THE METHOD OF MANUFACTURING ZINC ELECTRODES OF VERY HIGH POROSITY FOR PRIMARY, SPECIAL PURPOSE BATTERIES CAPABLE OF BEING DISCHARGED AT EXTREMELY HIGH DISCHARGE RATES COMPRISING MIXING FINELY GROUND ZINC OXIDE POWDER WITH A SOLUTION OF A HIGH POLYMER SELECTED FROM THE GROUP CONSISTING OF POLYSTYRENE, POLYETHYLENE, POLYMETHYLMETACRYLATE AND SILICONES IN AN ANHYDROUS VOLATILE SOLGANIC SOLVENT TO FORM A PASTE, PASTING SAID ANHYDROUS PASTE INTO A SUPPORTING GRID, ALLOWING THE ORGANIC VOLATILE ORVENT TO EVAPORATE AND CATHODICALLY REDUCING THE DRIED ZINC OXIDE TO METALLIC ZINC BY A FORMING PROCESS TO OBTAIN A ZINC ELECTRODE OF VERY HIGH POROSITY.
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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) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |