Conhecimento de parecer técnico
#7.1
05/30/1989
RPI 971
Application data
Number
PI8406049Type
Filing
Publication
The patent was granted on 05/28/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
Alcan International Limited
CA
Inventors
A. G. (pessoa física)
CA
D. W. (pessoa física)
US
E. D. (pessoa física)
CA
L. M. (pessoa física)
US
T. H. (pessoa física)
CA
T. C. (pessoa física)
US
W. B. (pessoa física)
US
IPC Classification
Priority claims
GB
8331769 · 11/29/1983
GB
8417452 · 07/09/1984
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