320
09/25/1984
RPI 727
The letters patent expired on 07/20/1993: 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: 09/25/1984. We update with every new RPI gazette, published weekly.
Applicants
FSP SA METALURG
Inventors
T. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/25/1984
RPI 727
02/28/1984
RPI 697
#17.1
10/04/1983
RPI 676
#16.1
06/28/1983
RPI 662
#13.1
02/08/1983
RPI 642
11/03/1982
RPI 628
#12.1
03/02/1982
RPI 593
#9.1
11/17/1981
RPI 578
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: A47K 3/22; A61H 9/00.
03/27/2018
RPI 2464
#21.1
07/20/1993
RPI 1181
Same category
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