Publicação do pedido de patente
#3.1
03/22/1988
RPI 909
Application data
Number
PI8703502Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 03/22/1988. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
F. K. (pessoa física)
IT
R. M. (pessoa física)
IT
IPC Classification
Priority claims
IT
21069 A/86 · 07/09/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
03/22/1988
RPI 909
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Patente extinta em 09/07/2002
07/29/2008
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