20.4
04/05/1988
RPI 911
The letters patent expired on 12/07/1993: 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: 04/05/1988. We update with every new RPI gazette, published weekly.
Applicants
AMORIM & COELHO S/A CORTIÇAS E DECORAÇÕES
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
04/05/1988
RPI 911
#16.1
03/29/1983
RPI 649
#13.1
01/25/1983
RPI 640
#9.1
09/14/1982
RPI 621
#6.1
04/13/1982
RPI 599
#5.1
11/03/1981
RPI 576
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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