20.7
09/23/1986
RPI 831
The letters patent expired on 10/26/1993: 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: 09/23/1986. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
09/23/1986
RPI 831
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B29D 7/02; B29D 7/14; B32B 21/08.
03/27/2018
RPI 2464
#21.1
10/26/1993
RPI 1195
From the same holder
Same category
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