20.7
09/02/1986
RPI 828
The letters patent expired on 05/24/1994: 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: 09/02/1986. We update with every new RPI gazette, published weekly.
Applicants
DART IND INC
Inventors
D. R. (pessoa física)
S. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/02/1986
RPI 828
#16.1
11/30/1982
RPI 632
#13.1
07/06/1982
RPI 611
03/16/1982
RPI 595
#21.1
05/24/1994
RPI 1225
From the same holder
Same category
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