Solicitação de exame técnico
#4.1
02/09/1988
RPI 903
Application data
Number
PI8506606Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 02/09/1988. We update with every new RPI gazette, published weekly.
Applicants
Atlantic Richfield Company
US
Inventors
C. J. (pessoa física)
US
H. W. (pessoa física)
US
J. S. (pessoa física)
US
J. L. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
02/09/1988
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04/15/1986
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Patente extinta em 11/04/2000
07/15/2008
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08/31/1993
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06/08/1993
RPI 1175
#9.1
02/24/1993
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11/19/1991
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02/26/1991
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