16.3
01/10/1984
RPI 690
The letters patent expired on 07/26/1994: 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: 01/10/1984. We update with every new RPI gazette, published weekly.
Applicants
KAISER AG H
Inventors
P. D. (pessoa física)
W. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
01/10/1984
RPI 690
#16.1
10/25/1983
RPI 679
#13.1
08/02/1983
RPI 667
#9.1
03/22/1983
RPI 648
#6.1
08/17/1982
RPI 617
#4.1
01/05/1982
RPI 585
#21.1
07/26/1994
RPI 1234
Same category
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