US3002900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of plates for deferred action type batteries
Assignee: Individual
•
Filing: 1949-10-07
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Granted: 1961-10-03
•
Expires: 1969-10-07
Abstract
No abstract record available.
Inventors
- 👤 James W Henry
- 👤 Linwood P Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 01:13
CPC Classifications
H; H01; H01M; H01M4/00; H01M4/02; H01M4/14; H01M4/16; H01M4/06; H01M4/08; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
98 words
THE PROCESS OF PREPARING BATTERY PLATES BY DEPOSITING LEAD AND LEAD DIOXIDE ELECTROLYTICALLY ON OPPOSITE SIDES OF CONDUCTING PLATES FROM A LEAD PERCHLORATE BATH CONSISTING OF APPROXIMATELY 420 GRAMS OF LEAD MONOXIDE AND APPROXIMATELY 320 CUBIC CENTIMETERS OF PERCHLORIC ACID PER LITER OF WATER, CHARACTERIZED BY PLACING THE BATH IN A NONCONDUCTING CONTAINER, INSERTING A PLURALITY OF SUCH PLATES APPROXIMATELY PARALLEL IN THE BATH AND IN SERIES FORMING SEPARATE CELLS BETWEEN SUCCESSIVE PLATES BUT WITHOUT COMPLETELY SEALING OFF THE ELECTROLYTE BETWEEN CELLS, AND APPLYING ACROSS THE SERIES A VOLTAGE OF APPROXIMATELY THREE VOLTS PER CELL SUFFICIENT TO DEPOSIT
Claim 2
Dependent Claim
98 words
THE PROCESS OF PREPARING BATTERY PLATES BY DEPOSITING LEAD AND LEAD DIOXIDE ELECTROLYTICALLY ON OPPOSITE SIDES OF CONDUCTING PLATES FROM A LEAD PERCHLORATE BATH CONSISTING OF APPROXIMATELY 420 GRAMS OF LEAD MONOXIDE AND APPROXIMATELY 320 CUBIC CENTIMETERS OF PERCHLORIC ACID PER LITER OF WATER, CHARACTERIZED BY PLACING THE BATH IN A NONCONDUCTING CONTAINER, INSERTING A PLURALITY OF SUCH PLATES APPROXIMATELY PARALLEL IN THE BATH AND IN SERIES FORMING SEPARATE CELLS BETWEEN SUCCESSIVE PLATES BUT WITHOUT COMPLETELY SEALING OFF THE ELECTROLYTE BETWEEN CELLS, AND APPLYING ACROSS THE SERIES A VOLTAGE OF APPROXIMATELY THREE VOLTS PER CELL SUFFICIENT TO DEPOSIT
Claim 3
Dependent Claim
71 words
THE PROCESS OF PREPARING BATTERY PLATES BY DEPOSITING LEAD AND LEAD DIOXIDE ELECTROLYTICALLY ON OPPOSITE SIDES OF CONDUCTING PLATES FROM A SOLUTION OF LEAD PERCHLORATE IN A NONCONDUCTING CONTAINER, CHARACTERIZED BY PLATING BETWEEN .000005 AND .00005 INCH OF NICKEL ON PLATES OF AN IRON ALLOY WHICH IS SUBSTANTIALLY NONCORROSIVE IN LEAD PERCHLORATE, PLACING A PLURALITY OF THE NICKEL COATED PLATES IN THE SOLUTION IN SERIES, AND APPLYING VOLTAGE ACROSS THE SERIES.
Claim 4
Dependent Claim
71 words
THE PROCESS OF PREPARING BATTERY PLATES BY DEPOSITING LEAD AND LEAD DIOXIDE ELECTROLYTICALLY ON OPPOSITE SIDES OF CONDUCTING PLATES FROM A SOLUTION OF LEAD PERCHLORATE IN A NONCONDUCTING CONTAINER, CHARACTERIZED BY PLATING BETWEEN .000005 AND .00005 INCH OF NICKEL ON PLATES OF AN IRON ALLOY WHICH IS SUBSTANTIALLY NONCORROSIVE IN LEAD PERCHLORATE, PLACING A PLURALITY OF THE NICKEL COATED PLATES IN THE SOLUTION IN SERIES, AND APPLYING VOLTAGE ACROSS THE SERIES.
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) | 1964-10-02 | 1965-04-03 | 1965-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-02 | 1969-04-03 | 1969-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-02 | 1973-04-03 | 1973-10-03 | $7700.00 | Window Closed / Lapsed |