6.2
04/13/1982
RPI 599
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: 04/13/1982. We update with every new RPI gazette, published weekly.
Applicants
E.I. Du Pont de Nemours and Company
US
Inventors
H. I. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
04/13/1982
RPI 599
#21.1
06/21/1994
RPI 1229
#16.1
09/28/1993
RPI 1191
#13.1
08/17/1993
RPI 1185
#9.1
04/20/1993
RPI 1168
#6.1
09/22/1992
RPI 1138
#6.1
10/08/1991
RPI 1088
From the same holder
Same category
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