6.2
05/30/1989
RPI 971
Application data
Number
PI8503417Type
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. C. (pessoa física)
JP
Inventors
H. S. (pessoa física)
JP
M. K. (pessoa física)
JP
S. S. (pessoa física)
JP
IPC Classification
Priority claims
JP
122.807/85 · 06/07/1985
JP
144.437/85 · 07/03/1985
JP
146.990/84 · 07/17/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
05/30/1989
RPI 971
#4.1
06/09/1987
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#3.1
04/08/1986
RPI 807
#2.1
09/17/1985
RPI 778
#21.1
Patente extinta em 17/07/2000
07/15/2008
RPI 1958
#16.1
05/25/1993
RPI 1173
#13.1
03/23/1993
RPI 1164
#9.1
11/03/1992
RPI 1144
#6.1
10/15/1991
RPI 1089
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