Concessão da patente
#16.1
08/25/1987
RPI 879
Application data
Number
PI8103284Type
Filing
Publication
The letters patent expired on 10/08/1996: 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: 08/25/1987. We update with every new RPI gazette, published weekly.
Applicants
Aluminium Company Of America
US
ALUMINUM COMPANY OF AMERICA
Inventors
F. T. (pessoa física)
H. R. (pessoa física)
M. J. (pessoa física)
IPC Classification
Priority claims
US
153.596 · 05/27/1980
US
254.926 · 04/16/1981
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