Cessão de direito de exploração
#22.1
06/24/1986
RPI 818
The letters patent expired on 07/20/1993: 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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
US
Inventors
D. M. (pessoa física)
US
P. J. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#22.1
06/24/1986
RPI 818
#16.1
08/30/1983
RPI 671
#13.1
05/31/1983
RPI 658
#9.1
01/25/1983
RPI 640
#6.1
07/20/1982
RPI 613
#21.1
07/20/1993
RPI 1181
08/07/1990
RPI 1027
07/31/1990
RPI 1026
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.