Pedido de licença voluntária
#17.1
07/04/1989
RPI 976
The letters patent expired on 10/04/1994: 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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Equipgeo Equipamentos Geológicos Ltda
SP, BR
Inventors
L. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#17.1
07/04/1989
RPI 976
#16.1
11/29/1988
RPI 945
#13.1
08/09/1988
RPI 929
#9.1
04/26/1988
RPI 914
#15.6
01/12/1988
RPI 899
#15.3
09/22/1987
RPI 883
#6.1
02/10/1987
RPI 851
#6.1
07/22/1986
RPI 822
#15.11
05/27/1986
RPI 814
#4.1
01/02/1985
RPI 741
#3.2
10/16/1984
RPI 730
#2.1
10/09/1984
RPI 729
#21.1
10/04/1994
RPI 1244
05/29/1990
RPI 1020
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