Pedido de patente depositado
#2.1
04/11/1989
RPI 964
Application data
Number
PI8900784Type
Filing
Publication
The letters patent expired on 12/15/2009: 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: 04/11/1989. We update with every new RPI gazette, published weekly.
Applicants
Willett International Limited
GB
Inventors
J. D. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
04/11/1989
RPI 964
#21.1
Patente extinta em 17/02/2004
12/15/2009
RPI 2032
#15.11
03/01/1995
RPI 1265
#16.1
04/26/1994
RPI 1221
#9.1
08/24/1993
RPI 1186
#4.1
07/16/1991
RPI 1076
#3.1
10/02/1990
RPI 1035
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Same category
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