Concessão da patente
#16.1
03/26/1985
RPI 753
The letters patent expired on 09/19/1995: 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
D. A. (pessoa física)
DE
Inventors
E. T. (pessoa física)
W. S. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/26/1985
RPI 753
#13.1
12/11/1984
RPI 738
#9.1
08/14/1984
RPI 721
#6.1
01/17/1984
RPI 691
#4.1
06/14/1983
RPI 660
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08L 15/02; B29H 17/00; C08J 3/24; C08K 5/54; C08K 5/04; C08K 5/09; C08K 5/5419; C08L 1/00; C08L 21/00; C08L 23/00; C08L 27/00; C08L 33/00; C08L 33/02; C08L 101/00.
03/27/2018
RPI 2464
#21.1
09/19/1995
RPI 1294
From the same holder
Same category
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