20.7
07/28/1987
RPI 875
The letters patent expired on 07/27/1993: 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: 07/28/1987. We update with every new RPI gazette, published weekly.
Applicants
INOX IND COM DE ACO SA
Inventors
S. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/28/1987
RPI 875
12/06/1983
RPI 685
#16.1
06/28/1983
RPI 662
#13.1
04/05/1983
RPI 650
12/21/1982
RPI 635
#12.1
10/27/1981
RPI 575
#21.1
07/27/1993
RPI 1182
From the same holder
Same category
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