Pedido de patente depositado
#2.1
09/19/1989
RPI 987
Application data
Number
PI8903471Type
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: 09/19/1989. We update with every new RPI gazette, published weekly.
Applicants
Nitrocarbono S/A
BA, BR
Inventors
C. D. (pessoa física)
BR
J. P. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
09/19/1989
RPI 987
#21.1
Patente extinta em 02/10/2011
12/26/2012
RPI 2190
#16.1
10/02/2001
RPI 1604
#9.1
04/11/2000
RPI 1527
Referente a RPI 1413 de 30/12/97
02/08/2000
RPI 1518
01/21/1998
RPI 1413
#6.1
09/17/1996
RPI 1346
#4.1
08/13/1991
RPI 1080
#3.1
01/15/1991
RPI 1050
Same category
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