Notificação para pagamento de retribuição
#13.1
11/21/1989
RPI 996
Application data
Number
PI8303436Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
DU PONT [US]
Inventors
L. L. (pessoa física)
S. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
11/21/1989
RPI 996
#9.1
07/25/1989
RPI 979
#6.1
01/17/1989
RPI 952
#6.1
07/19/1988
RPI 926
08/18/1987
RPI 878
#4.1
02/18/1986
RPI 800
#3.1
02/07/1984
RPI 694
#2.1
08/09/1983
RPI 668
#21.1
Patente extinta em 27/06/98
07/01/2008
RPI 1956
#16.1
05/29/1990
RPI 1020
From the same holder
Same category
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