Chemistry: electrical current producing apparatus – product – and – Means externally releasing internal gas pressure from closed... – Elastic – resilient or spring biasing valve means
Reexamination Certificate
2008-05-27
2008-05-27
Tsang-Foster, Susy (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Means externally releasing internal gas pressure from closed...
Elastic, resilient or spring biasing valve means
C429S072000, C429S053000, C429S082000
Reexamination Certificate
active
07378180
ABSTRACT:
A battery includes an air electrode and an air access passageway that is closed by a non-liquid valve actuable by differential pressure to provide an opening therein to admit air to the battery.
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Causton Brian Edward
Davis Frank
Lacey Neville Keith
Yu Larry Liaobo
Fish & Richardson P.C.
Lee Cynthia
The Gillette Company
Tsang-Foster Susy
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