Pedido de patente depositado
#2.1
07/04/1989
RPI 976
Application data
Number
PI8902380Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Prad Research and Development N.V.
NL
Inventors
J. U. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/04/1989
RPI 976
#21.1
Patente extinta em 24/05/2004
12/22/2009
RPI 2033
#16.1
12/27/1994
RPI 1256
#9.1
06/07/1994
RPI 1227
#4.1
10/23/1990
RPI 1038
#3.1
01/16/1990
RPI 1002
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