Concessão da patente
#16.1
06/02/1987
RPI 867
Application data
Number
PI8108411Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 06/02/1987. We update with every new RPI gazette, published weekly.
Applicants
STANDARD OIL CO [US]
Inventors
B. R. (pessoa física)
B. J. (pessoa física)
D. E. (pessoa física)
D. (pessoa física)
M. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/02/1987
RPI 867
#13.1
12/02/1986
RPI 841
#9.1
08/12/1986
RPI 825
#6.1
11/05/1985
RPI 785
#4.1
12/11/1984
RPI 738
#3.1
10/13/1982
RPI 625
#2.1
02/24/1982
RPI 592
#21.1
Patente extinta em 28/12/96
08/19/2008
RPI 1963
From the same holder
Same category
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