20.11
11/04/1986
RPI 837
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: 11/04/1986. We update with every new RPI gazette, published weekly.
Applicants
ANDERSON CO
Inventors
S. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/04/1986
RPI 837
07/29/1986
RPI 823
#16.1
04/27/1982
RPI 601
#21.1
07/27/1993
RPI 1182
From the same holder
Same category
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