Pedido de licença compulsória
#20.1
06/02/1987
RPI 867
Application data
Number
PI8204851Type
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: 06/02/1987. We update with every new RPI gazette, published weekly.
Applicants
Comercial e Industrial Petropasy Ltda.
SP, BR
Inventors
G. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
06/02/1987
RPI 867
#16.1
07/30/1985
RPI 771
#13.1
04/16/1985
RPI 756
#9.1
12/26/1984
RPI 740
#4.1
06/14/1983
RPI 660
#3.2
11/30/1982
RPI 632
#2.1
10/05/1982
RPI 624
#21.1
Patente extinta em 19/08/97
07/01/2008
RPI 1956
From the same holder
Same category
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