05/19/1987
RPI 865
Invention PatentPI7408713
G. G. (pessoa física)+1
The letters patent expired on 08/10/1993: 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: 05/19/1987. We update with every new RPI gazette, published weekly.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
05/19/1987
RPI 865
01/07/1986
RPI 794
20.1
03/29/1983
RPI 649
16.1
01/18/1983
RPI 639
13.1
11/30/1982
RPI 632
13.1
09/21/1982
RPI 622
11/24/1981
RPI 579
08/10/1993
RPI 1184
21.1
From the same holder