Patent US3243682A successfully refreshed from Google Patents.
US3243682A
Expired / Lapsed
US
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Battery charging device
Assignee: Yardney International Corp
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Filing: 1963-01-28
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Granted: 1966-03-29
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Expires: 1983-01-28
Abstract
No abstract record available.
Inventors
- 👤 Charles M Gold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:41
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/90; H02J7/971; H02J7/973; H02J7/02; H02J7/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A BATTERY-CHARGING SYSTEM COMPRISING A CLOSEABLE HOUSING ADAPTED TO RECEIVE THEREIN A BATTERY TO BE CHARGED SAID HOUSING BEING PROVIDE WITH TERMINAL MEANS ADAPTED TO CONTACT THE TERMINALS OF SAID BATTERY, CHARGING-CIRCUIT MEANS ELECTRICALLY CONNECTED TO SAID TERMINAL MEANS, AND SWITCH MEANS INTERPOSED IN SAID CHARGING-CIRCUIT MEANS FOR OPENING AND CLOSING SAID CHARGING-CIRCUIT MEANS,PRESSURESENSITIVE ELECTRICAL CONTROL MEANS RESPONSIVE TO GAS PRESSURE DEVELOPED IN SAID HOUSING UPON CHARGING OF SAID BATTERY, SAID CONTROL MEANS ACTIVATING SAID SWITCH MEANS BY PRESSURE DEVELOPED IN SAID HOUSING ON THE CLOSING THEREOF, WHEREBY THE CHARGING OF SAID BATTERY IS COMMENCED, SAID CONTACT MEANS DEACTIVING SAID SWITCH MEANS ON THE ATTAINMENT OF A PREDETERMINED PRESSURE INSIDE AND HOUSING WHEREBY THE CHARGING-CIRCUIT MEANS IS INTERRUPTED.
Claim 2
Dependent Claim
118 words
A BATTERY-CHARGING SYSTEM COMPRISING A CLOSEABLE HOUSING ADAPTED TO RECEIVE THEREIN A BATTERY TO BE CHARGED SAID HOUSING BEING PROVIDE WITH TERMINAL MEANS ADAPTED TO CONTACT THE TERMINALS OF SAID BATTERY, CHARGING-CIRCUIT MEANS ELECTRICALLY CONNECTED TO SAID TERMINAL MEANS, AND SWITCH MEANS INTERPOSED IN SAID CHARGING-CIRCUIT MEANS FOR OPENING AND CLOSING SAID CHARGING-CIRCUIT MEANS,PRESSURESENSITIVE ELECTRICAL CONTROL MEANS RESPONSIVE TO GAS PRESSURE DEVELOPED IN SAID HOUSING UPON CHARGING OF SAID BATTERY, SAID CONTROL MEANS ACTIVATING SAID SWITCH MEANS BY PRESSURE DEVELOPED IN SAID HOUSING ON THE CLOSING THEREOF, WHEREBY THE CHARGING OF SAID BATTERY IS COMMENCED, SAID CONTACT MEANS DEACTIVING SAID SWITCH MEANS ON THE ATTAINMENT OF A PREDETERMINED PRESSURE INSIDE AND HOUSING WHEREBY THE CHARGING-CIRCUIT MEANS IS INTERRUPTED.
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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |