Concessão da patente
#16.1
05/29/1984
RPI 710
The letters patent expired on 04/18/1995: 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: 05/29/1984. We update with every new RPI gazette, published weekly.
Applicants
NHK SPRING CO LTD
Inventors
T. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/29/1984
RPI 710
#13.1
03/20/1984
RPI 700
#9.1
11/16/1983
RPI 682
#5.1
06/14/1983
RPI 660
#4.1
12/21/1982
RPI 635
#21.1
04/18/1995
RPI 1272
From the same holder
Same category
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