102
10/31/1989
RPI 993
The letters patent expired on 12/26/1995: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
DU PONT [US]
Inventors
G. L. (pessoa física)
US
IPC Classification
Priority claims
US
098.723 · 11/30/1979
US
196.267 · 10/22/1980
Publications in the Brazilian Industrial Property Gazette (RPI).
10/31/1989
RPI 993
#12.3
04/12/1988
RPI 912
12/29/1987
RPI 897
#6.1
02/21/1984
RPI 696
#4.1
07/26/1983
RPI 666
#21.1
12/26/1995
RPI 1308
#16.1
10/30/1990
RPI 1039
#13.1
08/21/1990
RPI 1029
#9.1
05/01/1990
RPI 1016
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Same category
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