Solicitação de exame técnico
#4.1
05/30/1989
RPI 971
Application data
Number
PI8503800Type
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
CBV Indústria Mecânica S A
RJ, BR
Inventors
J. S. (pessoa física)
BR
M. P. (pessoa física)
BR
N. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/30/1989
RPI 971
#3.1
03/17/1987
RPI 856
#2.1
10/15/1985
RPI 782
#21.1
Patente extinta em 12/08/2000
07/15/2008
RPI 1958
#16.1
08/27/1991
RPI 1082
#13.1
04/23/1991
RPI 1064
#9.1
01/08/1991
RPI 1049
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