15.0
02/09/1982
RPI 590
The letters patent expired on 07/06/1993: 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: 02/09/1982. We update with every new RPI gazette, published weekly.
Applicants
RESERVE SYNTHETIC FUELS INC
Inventors
No inventors listed.
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
02/09/1982
RPI 590
#9.1
02/09/1982
RPI 590
#21.1
07/06/1993
RPI 1179
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.