Solicitação de exame técnico
#4.1
10/25/1988
RPI 940
Application data
Number
PI8607108Type
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: 10/25/1988. We update with every new RPI gazette, published weekly.
Applicants
O. C. (pessoa física)
US
Inventors
H. H. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/25/1988
RPI 940
#1.3
02/09/1988
RPI 903
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era F42B 13/16.
03/27/2018
RPI 2464
#21.1
Patente extinta em 10/03/2001
07/22/2008
RPI 1959
#16.1
11/27/1990
RPI 1043
#13.1
08/21/1990
RPI 1029
#9.1
05/08/1990
RPI 1017
From the same holder
Same category
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