Concessão da patente
#16.1
08/28/1984
RPI 723
The letters patent expired on 12/07/1993: 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: 08/28/1984. We update with every new RPI gazette, published weekly.
Applicants
PRAYON METALOPLASTICA LTD
Inventors
P. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/28/1984
RPI 723
#13.1
06/12/1984
RPI 712
03/13/1984
RPI 699
#12.2
07/19/1983
RPI 665
#15.11
04/26/1983
RPI 653
#9.2
04/19/1983
RPI 652
#4.1
12/22/1981
RPI 583
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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