Pedido de patente depositado
#2.1
05/02/1989
RPI 967
Application data
Number
PI8901216Type
Filing
Publication
The letters patent expired on 12/18/2012: 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: 05/02/1989. We update with every new RPI gazette, published weekly.
Applicants
A. C. (pessoa física)
SP, BR
Inventors
A. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
05/02/1989
RPI 967
#21.1
Patente extinta em 08/03/2009
12/18/2012
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02/18/1997
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RPI 1231
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05/17/1994
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03/26/1991
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10/16/1990
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