Concessão da patente
#16.1
07/29/1986
RPI 823
Application data
Number
PI8103857Type
Filing
Publication
The patent was granted on 07/29/1986 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: 07/29/1986. We update with every new RPI gazette, published weekly.
Applicants
ALUMINUM COMPANY OF AMERICA
ALUMINUM COMPANY OF AMERICAS
Inventors
D. E. (pessoa física)
IPC Classification
Priority claims
US
162.149 · 06/23/1980
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