Concessão da patente
#16.1
12/26/1984
RPI 740
Application data
Number
PI8003004Type
Filing
Publication
The letters patent expired on 06/13/1995: 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: 12/26/1984. We update with every new RPI gazette, published weekly.
Applicants
Cobrasma S/A Companhia do Metropolitano de São Paulo Metrô
Inventors
M. M. (pessoa física)
S. I. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/26/1984
RPI 740
#13.1
09/04/1984
RPI 724
#9.1
05/22/1984
RPI 709
#7.1
11/08/1983
RPI 681
#4.1
04/06/1982
RPI 598
#3.1
01/12/1982
RPI 586
#21.1
06/13/1995
RPI 1280
From the same holder
Same category
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