20.7
08/12/1986
RPI 825
The letters patent expired on 07/20/1993: 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: 08/12/1986. We update with every new RPI gazette, published weekly.
Applicants
NADELLA
Inventors
S. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
08/12/1986
RPI 825
07/29/1986
RPI 823
#22.1
12/04/1984
RPI 737
#16.1
11/30/1982
RPI 632
#13.1
09/08/1982
RPI 620
#9.1
05/18/1982
RPI 604
#6.1
10/13/1981
RPI 573
#21.1
07/20/1993
RPI 1181
From the same holder
Same category
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