Solicitação de exame técnico
#4.1
12/29/1987
RPI 897
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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
H. H. (pessoa física)
SP, BR
Inventors
H. H. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
12/29/1987
RPI 897
#3.2
11/10/1987
RPI 890
#2.1
11/03/1987
RPI 889
#21.1
Patente extinta em 24/08/97 conforme o disposto no artigo 24 da Lei 5772/71 (CPI).
09/18/2001
RPI 1602
#16.1
09/29/1992
RPI 1139
#13.1
06/02/1992
RPI 1122
#9.1
01/14/1992
RPI 1102
#6.1
06/18/1991
RPI 1072
From the same holder
Same category
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