Concessão da patente
#16.1
03/17/1987
RPI 856
The patent was granted on 03/17/1987 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: 03/17/1987. We update with every new RPI gazette, published weekly.
Applicants
Exxon Research And Engineering Company
US
Inventors
A. O. (pessoa física)
IPC Classification
Priority claims
US
011.238 · 02/12/1979
US
043.548 · 05/29/1979
US
114.627 · 01/23/1980
US
PCT/80/00215 · 02/12/1980
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