Solicitação de exame técnico
#4.1
07/12/1988
RPI 925
The letters patent expired on 09/18/2001: 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: 07/12/1988. We update with every new RPI gazette, published weekly.
Applicants
H. S. (pessoa física)
SP, BR
Inventors
H. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
07/12/1988
RPI 925
#3.2
06/07/1988
RPI 920
#2.1
12/15/1987
RPI 895
#21.1
Patente extinta em 20/08/97 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#20.1
05/03/1994
RPI 1222
#16.1
07/30/1991
RPI 1078
#13.1
05/21/1991
RPI 1068
#9.1
02/05/1991
RPI 1053
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Same category
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