Solicitação de exame técnico
#4.1
03/17/1987
RPI 856
Application data
Number
PI8601220Type
Filing
Publication
The letters patent expired on 07/22/2008: 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: 03/17/1987. We update with every new RPI gazette, published weekly.
Applicants
J. S. (pessoa física)
SP, BR
L. G. (pessoa física)
SP, BR
Inventors
J. S. (pessoa física)
BR
L. G. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/17/1987
RPI 856
#3.2
12/23/1986
RPI 844
#2.1
10/14/1986
RPI 834
#21.1
Patente extinta em 19/03/2001
07/22/2008
RPI 1959
#16.1
02/04/1992
RPI 1105
#15.11
11/12/1991
RPI 1093
#13.1
09/10/1991
RPI 1084
#9.1
05/28/1991
RPI 1069
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