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US3220888A Expired / Lapsed US ⏱️ 0.0 years remaining

Rechargeable battery pack

Assignee: Welch Allyn Inc
•
Filing: 1962-09-20
•
Granted: 1965-11-30
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Expires: 1982-09-20
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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 07:22
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)

US1277042A Cited
US2697128A Cited
US3081366A Cited

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

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