Pedido de licença compulsória
#20.1
02/28/1989
RPI 958
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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
L. T. (pessoa física)
Inventors
L. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
02/28/1989
RPI 958
11/25/1986
RPI 840
#17.1
07/08/1986
RPI 820
#16.1
02/04/1986
RPI 798
#13.1
10/01/1985
RPI 780
#9.1
06/18/1985
RPI 765
#6.1
11/20/1984
RPI 735
#4.1
05/03/1983
RPI 654
#3.2
11/09/1982
RPI 629
#2.1
08/17/1982
RPI 617
#21.1
12/07/1993
RPI 1201
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