Solicitação de exame técnico
#4.1
05/27/1986
RPI 814
Application data
Number
PI8501172Type
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: 05/27/1986. We update with every new RPI gazette, published weekly.
Applicants
Alcan International Limited
CA
Inventors
A. B. (pessoa física)
GB
J. C. (pessoa física)
IPC Classification
Priority claims
GB
8406869 · 03/16/1984
GB
8429906 · 11/27/1984
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