US3089072A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rechargeable electric battery unit
Assignee: Longworth Scientific Instrument Co Ltd
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Filing: 1959-09-22
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Granted: 1963-05-07
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Expires: 1979-09-22
Abstract
No abstract record available.
Inventors
- 👤 Jephcott John Anthony
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:37
CPC Classifications
H; H01; H01M; H01M10/00; H01M10/42; H01M10/46; Y; Y02; Y02E; Y02E60/00; Y02E60/10; Y10; Y10S; Y10S320/00; Y10S320/22; Y10S320/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A RECHARGEABLE BATTERY DEVICE COMPRISING A CASING IN WHICH THERE IS DISPOSED AT LEAST ONE RECHARGEABLE CELL AND A RECTIFIER CIRCUIT, THE CASING HAVING AT ONE END A FIRST OUTPUT TERMINAL FROM THE CELL AND AT THE OTHER END CONNECTOR MEANS FOR CONNECTING THE RECIFIER CIRCUIT TO A SOURCE OF POWER AND A SECOND OUTPUT TERMINAL FROM THE CELL DISPOSED BETWEEN SAID CONNECTOR MEANS, AND MOVABLE MEANS ADAPTED IN OPERATION TO ISOLATE SAID FIRST OUTPUT TERMINAL DURING CHARGING SO THAT IS NO RISK OF A USER RECEIVING A SHOCK THEREFROM WHICH MEANS INCORPORATE A CURRENT CONDUCTING TERMINAL PORTION ENGAGEABLE WITH SAID SECOND OUTPUT TERMINAL WHEN THE DEVICE IS TO BE USED AS A SOURCE OF POWER.
Claim 2
Dependent Claim
116 words
A RECHARGEABLE BATTERY DEVICE COMPRISING A CASING IN WHICH THERE IS DISPOSED AT LEAST ONE RECHARGEABLE CELL AND A RECTIFIER CIRCUIT, THE CASING HAVING AT ONE END A FIRST OUTPUT TERMINAL FROM THE CELL AND AT THE OTHER END CONNECTOR MEANS FOR CONNECTING THE RECIFIER CIRCUIT TO A SOURCE OF POWER AND A SECOND OUTPUT TERMINAL FROM THE CELL DISPOSED BETWEEN SAID CONNECTOR MEANS, AND MOVABLE MEANS ADAPTED IN OPERATION TO ISOLATE SAID FIRST OUTPUT TERMINAL DURING CHARGING SO THAT IS NO RISK OF A USER RECEIVING A SHOCK THEREFROM WHICH MEANS INCORPORATE A CURRENT CONDUCTING TERMINAL PORTION ENGAGEABLE WITH SAID SECOND OUTPUT TERMINAL WHEN THE DEVICE IS TO BE USED AS A SOURCE OF POWER.
References Cited (Backward Citations)
US2876410A
Cited
US3013198A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |