Concessão da patente
#16.1
07/26/1983
RPI 666
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: 07/26/1983. We update with every new RPI gazette, published weekly.
Applicants
DAVY POWERGAS LTD
Inventors
H. W. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/26/1983
RPI 666
#13.1
05/24/1983
RPI 657
#9.1
01/11/1983
RPI 638
02/16/1982
RPI 591
#6.1
02/02/1982
RPI 589
#21.1
07/20/1993
RPI 1181
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.