20.4
11/22/1988
RPI 944
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: 11/22/1988. We update with every new RPI gazette, published weekly.
Applicants
Elvy Indústria e Comércio de Brinquedos Ltda
SP, BR
Inventors
A. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/22/1988
RPI 944
#22.1
12/15/1987
RPI 895
#16.1
08/27/1985
RPI 775
#13.1
05/21/1985
RPI 761
#9.1
01/29/1985
RPI 745
#6.1
07/31/1984
RPI 719
#4.1
10/18/1983
RPI 678
#3.2
06/21/1983
RPI 661
#2.1
02/16/1982
RPI 591
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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