Pedido de patente depositado
#2.1
06/13/1989
RPI 973
Application data
Number
PI8902079Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 06/13/1989. We update with every new RPI gazette, published weekly.
Applicants
Mastra Indústria e Comércio Ltda
SP, BR
Inventors
A. M. (pessoa física)
BR
P. V. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
06/13/1989
RPI 973
#21.1
Patente extinta em 03/05/2004
12/22/2009
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08/31/1993
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07/09/1991
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11/06/1990
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