US3281640A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Battery and charging means therefor
Assignee: Dynamic Instrument Corp
•
Filing: 1963-04-19
•
Granted: 1966-10-25
•
Expires: 1983-04-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Mas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:17
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; H02J7/16; H01; H01M; H01M10/00; H01M10/42; H01M2200/00; H01M2200/20; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
APPARATUS FOR CHARGING A BATTERY CONTAINING AT LEAST ONE CELL FORMED OF A PAIR OF ELECTRODES IMMERSED IN AN ELECTROLYTE COMPRISING A PRESSURE TRANSDUCER AFFIXED TO SAID CELL, SAID TRANSDUCER HAVING ELECTRICAL MEANS AND PRODUCING A CHANGE IN AN ELECTRICAL CHARACTERISTIC IN RESPONSE TO CHANGES IN GAS PRESSURE WITHIN SAID CELL, MEANS APPLYING A VOLTAGE ACROSS THE ELECTRODES OF SAID CELL TO CHARGE THE BATTERY AND ELECTRICAL CONNECTIONS BETWEEN THE ELECTRICAL MEANS IN SAID TRANSDUCER AND THE LAST SAID MEANS TO CONTROL THE VOLTAGE APPLIED TO SAID CELL IN ACCORDANCE WITH PRESSURE CHANGES THEREIN TO MAINTAIN A PREDETERMINED PRESSURE AT ALL TIMES.
Claim 2
Dependent Claim
102 words
APPARATUS FOR CHARGING A BATTERY CONTAINING AT LEAST ONE CELL FORMED OF A PAIR OF ELECTRODES IMMERSED IN AN ELECTROLYTE COMPRISING A PRESSURE TRANSDUCER AFFIXED TO SAID CELL, SAID TRANSDUCER HAVING ELECTRICAL MEANS AND PRODUCING A CHANGE IN AN ELECTRICAL CHARACTERISTIC IN RESPONSE TO CHANGES IN GAS PRESSURE WITHIN SAID CELL, MEANS APPLYING A VOLTAGE ACROSS THE ELECTRODES OF SAID CELL TO CHARGE THE BATTERY AND ELECTRICAL CONNECTIONS BETWEEN THE ELECTRICAL MEANS IN SAID TRANSDUCER AND THE LAST SAID MEANS TO CONTROL THE VOLTAGE APPLIED TO SAID CELL IN ACCORDANCE WITH PRESSURE CHANGES THEREIN TO MAINTAIN A PREDETERMINED PRESSURE AT ALL TIMES.
References Cited (Backward Citations)
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |