Publicação do pedido de patente
#3.1
10/18/1988
RPI 939
Application data
Number
PI8801052Type
Filing
Publication
The letters patent expired on 09/02/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 10/18/1988. We update with every new RPI gazette, published weekly.
Applicants
Shell Internationale Research Maatschappij B.V
NL
The Goodyear Tire & Rubber Company
US
Inventors
D. R. (pessoa física)
US
J. T. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
10/18/1988
RPI 939
#2.1
07/19/1988
RPI 926
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Patente extinta em 10/03/2003
09/02/2008
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10/13/1993
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