Pedido de licença compulsória
#20.1
01/19/1988
RPI 900
The letters patent expired on 11/30/1993: 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: 01/19/1988. We update with every new RPI gazette, published weekly.
Applicants
DIAMOND SHAMROCK CORP
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
01/19/1988
RPI 900
#20.1
03/18/1986
RPI 804
03/11/1986
RPI 803
03/04/1986
RPI 802
02/18/1986
RPI 800
#13.1
06/22/1982
RPI 609
#9.1
03/02/1982
RPI 593
#21.1
11/30/1993
RPI 1200
From the same holder
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