Solicitação de exame técnico
#4.1
07/08/1986
RPI 820
Application data
Number
PI8502451Type
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: 07/08/1986. We update with every new RPI gazette, published weekly.
Applicants
H. A. (pessoa física)
DE
R. A. (pessoa física)
DE
Inventors
B. C. (pessoa física)
DE
H. B. (pessoa física)
DE
W. K. (pessoa física)
DE
W. L. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
07/08/1986
RPI 820
#3.1
01/28/1986
RPI 797
#2.1
07/30/1985
RPI 771
#21.1
Patente extinta em 24/05/2000
07/15/2008
RPI 1958
03/16/1993
RPI 1163
#16.1
09/29/1992
RPI 1139
#13.1
12/17/1991
RPI 1098
#15.11
11/05/1991
RPI 1092
#9.1
08/20/1991
RPI 1081
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