Exigência - art. 36 da LPI
#6.1
09/19/1989
RPI 987
Application data
Number
PI8401499Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/19/1989. We update with every new RPI gazette, published weekly.
Applicants
Alcan International Limited
CA
Inventors
W. M. (pessoa física)
GB
IPC Classification
Priority claims
GB
8308907 · 03/31/1983
GB
8308908 · 03/31/1983
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