Pedido de patente depositado
#2.1
02/28/1989
RPI 958
Application data
Number
PI8900172Type
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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
J. L. (pessoa física)
SP, BR
Inventors
J. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
02/28/1989
RPI 958
#21.1
Patente extinta em 11/01/2004
12/15/2009
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03/29/1994
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03/09/1993
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12/17/1991
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08/14/1990
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