Concessão da patente
#16.1
10/01/1985
RPI 780
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: 10/01/1985. We update with every new RPI gazette, published weekly.
Applicants
IMT
Inventors
J. L. (pessoa física)
L. M. (pessoa física)
T. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/01/1985
RPI 780
05/07/1985
RPI 759
#13.1
03/05/1985
RPI 750
#9.1
10/23/1984
RPI 731
#6.1
04/24/1984
RPI 705
#4.1
05/31/1983
RPI 658
#3.1
02/02/1982
RPI 589
#21.1
12/07/1993
RPI 1201
Same category
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