Concessão da patente
#16.1
03/26/1985
RPI 753
Application data
Number
PI8105817Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 03/26/1985. We update with every new RPI gazette, published weekly.
Applicants
M. C. (pessoa física)
TOYO ENGINEERING CORP
Inventors
H. F. (pessoa física)
H. O. (pessoa física)
S. I. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/26/1985
RPI 753
#13.1
12/26/1984
RPI 740
12/18/1984
RPI 739
#9.1
09/04/1984
RPI 724
#4.1
08/17/1982
RPI 617
#3.1
06/08/1982
RPI 607
#2.1
10/27/1981
RPI 575
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C07C 126/02.
03/27/2018
RPI 2464
#21.1
Patente extinta em 11/09/96
08/19/2008
RPI 1963
From the same holder
Same category
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