Concessão da patente
#16.1
06/25/1985
RPI 766
The letters patent expired on 05/02/1995: 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: 06/25/1985. We update with every new RPI gazette, published weekly.
Applicants
Exxon Research And Engineering Company
US
Inventors
W. M. (pessoa física)
IPC Classification
Priority claims
US
967.276 · 12/07/1978
Publications in the Brazilian Industrial Property Gazette (RPI).
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