Concessão da patente
#16.1
12/29/1987
RPI 897
Application data
Number
PI8204177Type
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
G. A. (pessoa física)
US
S. H. (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
#9.1
07/14/1987
RPI 873
#6.1
01/13/1987
RPI 847
#4.1
08/27/1985
RPI 775
#3.1
07/12/1983
RPI 664
#2.1
08/31/1982
RPI 619
#21.1
Patente extinta em 19/07/97
07/01/2008
RPI 1956
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