Concessão da patente
#16.1
03/26/1985
RPI 753
Application data
Number
PI8105056Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 03/26/1985. We update with every new RPI gazette, published weekly.
Applicants
DU PONT
Inventors
H. R. (pessoa física)
S. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/26/1985
RPI 753
#13.1
12/26/1984
RPI 740
#9.1
09/04/1984
RPI 724
#7.1
02/21/1984
RPI 696
#4.1
08/03/1982
RPI 615
#3.1
04/20/1982
RPI 600
#21.1
Patente extinta em 05/08/96
08/19/2008
RPI 1963
From the same holder
Same category
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