Concessão da patente
#16.1
04/26/1983
RPI 653
The letters patent expired on 06/21/1994: 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: 04/26/1983. We update with every new RPI gazette, published weekly.
Applicants
E. N. (pessoa física)
Inventors
C. O. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/26/1983
RPI 653
#13.1
01/25/1983
RPI 640
#9.1
09/14/1982
RPI 621
#6.1
03/23/1982
RPI 596
#21.1
06/21/1994
RPI 1229
From the same holder
Same category
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