Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8500674Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Alcan International Limited
CA
Inventors
R. K. (pessoa física)
CA
IPC Classification
Priority claims
CA
447.471 · 02/15/1984
US
662.992 · 10/19/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
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RPI 988
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