6.2
09/08/1987
RPI 881
Application data
Number
PI8401858Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/08/1987. We update with every new RPI gazette, published weekly.
Applicants
N.V. Philips'Gloeilampenfabrieken
NL
Inventors
E. B. (pessoa física)
NL
J. H. (pessoa física)
NL
J. K. (pessoa física)
NL
Publications in the Brazilian Industrial Property Gazette (RPI).
09/08/1987
RPI 881
#4.1
11/11/1986
RPI 838
#3.1
12/04/1984
RPI 737
#2.1
06/26/1984
RPI 714
#21.1
Patente extinta em 23/04/99
07/08/2008
RPI 1957
#16.1
04/30/1991
RPI 1065
#13.1
01/15/1991
RPI 1050
#9.1
10/02/1990
RPI 1035
#6.1
05/08/1990
RPI 1017
From the same holder
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