Concessão da patente
#16.1
12/29/1987
RPI 897
Application data
Number
PI8204396Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Chevron Research Company.
US
Inventors
A. O. (pessoa física)
US
J. P. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/29/1987
RPI 897
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11/10/1987
RPI 890
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07/14/1987
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#6.1
10/21/1986
RPI 835
#4.1
08/27/1985
RPI 775
#3.1
07/19/1983
RPI 665
#2.1
09/08/1982
RPI 620
#21.1
Patente extinta em 28/07/97
07/01/2008
RPI 1956
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