Concessão da patente
#16.1
06/28/1988
RPI 923
Application data
Number
PI8503207Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
E. A. (pessoa física)
ES, BR
Inventors
E. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1988
RPI 923
#9.1
02/09/1988
RPI 903
#6.1
08/25/1987
RPI 879
#6.1
03/17/1987
RPI 856
#4.1
01/07/1986
RPI 794
#3.2
09/10/1985
RPI 777
#2.1
09/03/1985
RPI 776
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B21L 21/00; B21F 21/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 04/07/2000
07/15/2008
RPI 1958
From the same holder
Same category
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