Concessão da patente
#16.1
01/10/1989
RPI 951
Application data
Number
PI8303551Type
Filing
Publication
The letters patent expired on 07/01/2008: 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
Prad Research and Development N.V.
NL
Inventors
G. H. (pessoa física)
M. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/10/1989
RPI 951
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11/16/1988
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07/12/1988
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02/23/1988
RPI 905
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08/18/1987
RPI 878
#4.1
05/13/1986
RPI 812
#3.1
02/14/1984
RPI 695
#2.1
08/16/1983
RPI 669
#21.1
Patente extinta em 01/07/98
07/01/2008
RPI 1956
From the same holder
Same category
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