US3317352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for determining the state of charge of batteries by the use of tracers
Assignee: Individual
•
Filing: 1965-02-05
•
Granted: 1967-05-02
•
Expires: 1985-02-05
Abstract
No abstract record available.
Inventors
- 👤 James E Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:48
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/48; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THE METHOD OF ASCERTAINING THE STATE OF CHARGE OF AN ELECTROCHEMICAL BATTERY HAVING AT LEAST ONE ANODE AND AT LEAST ONE CATHODE WETTED BY AN ALKALI HYDROXIDE-CONTAINING ELECTROLYTE SOLUTION, WHEREIN AT LEAST SOME OF THE HYDROGEN ATOMS IN THE ELECTROLYTE SOLUTION ARE IN THE FORM OF TRITIUM, WHICH COMPRISES MEASURING THE DECREASE IN THE AMOUNT OF TRITIUM PRESENT IN THE ELECTROLYTE SOLUTION FROM THE AMOUNT PRESENT WHEN THE BATTERY IS FULLY CHARGED.
Claim 2
Independent Claim
72 words
THE METHOD OF ASCERTAINING THE STATE OF CHARGE OF AN ELECTROCHEMICAL BATTERY HAVING AT LEAST ONE ANODE AND AT LEAST ONE CATHODE WETTED BY AN ALKALI HYDROXIDE-CONTAINING ELECTROLYTE SOLUTION, WHEREIN AT LEAST SOME OF THE HYDROGEN ATOMS IN THE ELECTROLYTE SOLUTION ARE IN THE FORM OF TRITIUM, WHICH COMPRISES MEASURING THE DECREASE IN THE AMOUNT OF TRITIUM PRESENT IN THE ELECTROLYTE SOLUTION FROM THE AMOUNT PRESENT WHEN THE BATTERY IS FULLY CHARGED.
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) | 1970-05-01 | 1970-10-31 | 1971-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-01 | 1974-10-31 | 1975-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-01 | 1978-10-31 | 1979-05-02 | $7700.00 | Window Closed / Lapsed |