Concessão da patente
#16.1
01/10/1989
RPI 951
Application data
Number
PI8401707Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 01/10/1989. We update with every new RPI gazette, published weekly.
Applicants
MC GRAW EDISON CO [US]
Inventors
A. A. (pessoa física)
L. K. (pessoa física)
T. H. (pessoa física)
W. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/10/1989
RPI 951
#13.1
10/04/1988
RPI 937
#9.1
06/07/1988
RPI 920
#6.1
11/24/1987
RPI 892
#4.1
12/16/1986
RPI 843
07/29/1986
RPI 823
#3.1
11/20/1984
RPI 735
#2.1
06/26/1984
RPI 714
#21.1
Patente extinta em 12/04/99
08/19/2008
RPI 1963
From the same holder
Same category
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