Concessão da patente
#16.1
11/26/1985
RPI 788
Application data
Number
PI8105673Type
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: 11/26/1985. We update with every new RPI gazette, published weekly.
Applicants
N. D. (pessoa física)
Inventors
N. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/26/1985
RPI 788
#13.1
08/06/1985
RPI 772
#15.11
04/30/1985
RPI 758
#9.1
04/16/1985
RPI 756
#15.11
01/15/1985
RPI 743
#6.1
08/28/1984
RPI 723
#4.1
10/18/1983
RPI 678
#3.1
04/19/1983
RPI 652
#2.1
10/20/1981
RPI 574
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B21F 21/00; B06B 1/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 04/09/96
08/19/2008
RPI 1963
Same category
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