Concessão da patente
#16.1
03/26/1985
RPI 753
The letters patent expired on 12/07/1993: 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: 03/26/1985. We update with every new RPI gazette, published weekly.
Applicants
Y. B. (pessoa física)
Inventors
Y. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/26/1985
RPI 753
#13.1
12/11/1984
RPI 738
#9.1
08/21/1984
RPI 722
#6.1
04/24/1984
RPI 705
#4.1
03/09/1982
RPI 594
#3.2
01/05/1982
RPI 585
#2.1
10/27/1981
RPI 575
#21.1
12/07/1993
RPI 1201
Same category
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