14.4
10/03/1989
RPI 989
Application data
Number
PI8404633Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
W. R. Grace & Co. - CONN
US
Inventors
C. P. (pessoa física)
US
L. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
10/03/1989
RPI 989
#6.1
06/20/1989
RPI 974
#4.1
08/11/1987
RPI 877
#15.11
11/26/1985
RPI 788
#3.1
08/06/1985
RPI 772
#2.1
11/27/1984
RPI 736
#21.1
Patente extinta em 14/09/99
07/08/2008
RPI 1957
#15.11
09/17/1991
RPI 1085
#16.1
08/28/1990
RPI 1030
#13.1
06/26/1990
RPI 1024
#9.1
03/06/1990
RPI 1008
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Same category
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