Concessão da patente
#16.1
11/27/1984
RPI 736
Application data
Number
PI8002864Type
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: 11/27/1984. 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
11/27/1984
RPI 736
#13.1
07/17/1984
RPI 717
#9.1
03/27/1984
RPI 701
#6.1
10/18/1983
RPI 678
#4.1
03/08/1983
RPI 646
#3.1
12/29/1981
RPI 584
#21.1
06/13/1995
RPI 1280
From the same holder
Same category
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