Pedido de patente depositado
#2.1
08/01/1989
RPI 980
Application data
Number
PI8902907Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 08/01/1989. We update with every new RPI gazette, published weekly.
Applicants
B. I. (pessoa física)
US
Inventors
L. W. (pessoa física)
AU
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
08/01/1989
RPI 980
#21.1
Patente extinta em 16/06/2009
12/26/2012
RPI 2190
#16.1
08/25/1998
RPI 1444
#9.1
10/07/1997
RPI 1401
#6.1
12/24/1996
RPI 1360
#4.1
09/11/1990
RPI 1032
#3.1
02/01/1990
RPI 1004
From the same holder
Same category
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