6.2
05/30/1989
RPI 971
Application data
Number
PI8504270Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
K. A. (pessoa física)
DE
Inventors
D. S. (pessoa física)
DE
D. P. (pessoa física)
DE
F. H. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
05/30/1989
RPI 971
#4.1
03/01/1988
RPI 906
#3.1
06/17/1986
RPI 817
#2.1
10/29/1985
RPI 784
#21.1
Patente extinta em 04/09/2000
07/15/2008
RPI 1958
#16.1
02/26/1991
RPI 1056
#13.1
11/13/1990
RPI 1041
#9.1
07/31/1990
RPI 1026
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Same category
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