Concessão da patente
#16.1
03/31/1987
RPI 858
Application data
Number
PI8108536Type
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: 03/31/1987. We update with every new RPI gazette, published weekly.
Applicants
STANDARD OIL CO [US]
Inventors
H. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/31/1987
RPI 858
#13.1
11/04/1986
RPI 837
#9.1
07/08/1986
RPI 820
#6.1
10/22/1985
RPI 783
#4.1
12/11/1984
RPI 738
#3.1
10/19/1982
RPI 626
#2.1
02/24/1982
RPI 592
#21.1
Patente extinta em 30/12/96
08/19/2008
RPI 1963
From the same holder
Same category
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