Patent US3286381A successfully refreshed from Google Patents.
Patent US3220888A successfully refreshed from Google Patents.
US3220888A
Expired / Lapsed
US
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Rechargeable battery pack
Assignee: Welch Allyn Inc
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Filing: 1962-09-20
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Granted: 1965-11-30
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Expires: 1982-09-20
Abstract
No abstract record available.
Inventors
- 👤 William C Moore
- 👤 William S Pilgrim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:53
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/00002; A61B1/00025; A61B1/00027; A61B1/00032; A61B1/00034; H; H01; H01M; H01M50/00; H01M50/20; H01M50/204; H01M50/207; H01M50/213; Y; Y02; Y02E; Y02E60/00; Y02E60/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A UNITARY REPLACEMENT PACK OF RECHARGEABLE BATTERIES WHICH BATTERIES HAVE POSITIVE AND NEGATIVE TERMINALS AT THE OPPOSITE ENDS THEREOF, COMPRISING: A TUBULAR COVER OF INSULATING MATERIAL HAVING A SIDE APERTURE THEREIN, A PLURALITY OF BATTERIES ARRANGED IN SERIES WITHIN SAID COVER, THE POSITIVE TERMINAL OF ONE BATTERY BEING EXPOSED AT ONE END OF SAID COVER, A CONDUCTOR MEMBER INSULATED FROM SAID BATTERIES AND ARRANGED IN SAID COVER TO PROJECT FROM THE OTHER END THEREOF, MEANS ELECTRICALLY CONNECTING SAID EXPOSED POSITIVE TERMINAL WITH SAID CONDUCTOR MEMBER, AND A CONTACT MEMBER CONNECTED TO THE NEGATIVE TERMINAL OF THE BATTERY ADJACENT SAID CONDUCTOR MEMBER AND PROJECTING THROUGH THE SIDE APERTURE IN SAID COVER, WHEREBY SAID BATTERY PACK IS PROVIDED WITH POSITIVE TERMINAL MEANS AT EITHER END THEREOF AND NEGATIVE TERMINAL MEANS AT ITS SIDE.
Claim 2
Dependent Claim
131 words
A UNITARY REPLACEMENT PACK OF RECHARGEABLE BATTERIES WHICH BATTERIES HAVE POSITIVE AND NEGATIVE TERMINALS AT THE OPPOSITE ENDS THEREOF, COMPRISING: A TUBULAR COVER OF INSULATING MATERIAL HAVING A SIDE APERTURE THEREIN, A PLURALITY OF BATTERIES ARRANGED IN SERIES WITHIN SAID COVER, THE POSITIVE TERMINAL OF ONE BATTERY BEING EXPOSED AT ONE END OF SAID COVER, A CONDUCTOR MEMBER INSULATED FROM SAID BATTERIES AND ARRANGED IN SAID COVER TO PROJECT FROM THE OTHER END THEREOF, MEANS ELECTRICALLY CONNECTING SAID EXPOSED POSITIVE TERMINAL WITH SAID CONDUCTOR MEMBER, AND A CONTACT MEMBER CONNECTED TO THE NEGATIVE TERMINAL OF THE BATTERY ADJACENT SAID CONDUCTOR MEMBER AND PROJECTING THROUGH THE SIDE APERTURE IN SAID COVER, WHEREBY SAID BATTERY PACK IS PROVIDED WITH POSITIVE TERMINAL MEANS AT EITHER END THEREOF AND NEGATIVE TERMINAL MEANS AT ITS SIDE.
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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |