Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2006-11-21
2006-11-21
Harlan, Robert D. (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C063S003000
Reexamination Certificate
active
07138473
ABSTRACT:
A miniature portable equipment in the present invention comprising a packing comprising a butyl rubber having a crosslinking structure composed of carbon to carbon bonds of the formula:
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Kigawa Keisuke
Waseda Takayuki
Citizen Watch Co. Ltd.
Harlan Robert D.
The Webb Law Firm
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