Concessão da patente
#16.1
03/29/1988
RPI 910
The letters patent expired on 11/22/1994: 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: 03/29/1988. We update with every new RPI gazette, published weekly.
Applicants
G. P. (pessoa física)
SP, BR
Inventors
P. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/29/1988
RPI 910
#13.1
11/24/1987
RPI 892
08/25/1987
RPI 879
#12.2
03/04/1987
RPI 854
#9.2
11/04/1986
RPI 837
#7.1
01/07/1986
RPI 794
#4.1
06/05/1984
RPI 711
#3.2
02/14/1984
RPI 695
#2.1
11/22/1983
RPI 683
#15.11
Reclassificação automática - A classificação anterior era: F24J 2/04
10/05/2021
RPI 2648
#15.11
01/26/2010
RPI 2038
#21.1
11/22/1994
RPI 1251
From the same holder
Same category
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