Concessão da patente
#16.1
01/31/1984
RPI 693
The letters patent expired on 12/07/1993: 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: 01/31/1984. We update with every new RPI gazette, published weekly.
Applicants
B. H. (pessoa física)
FILHO CIA LTD
Inventors
B. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/31/1984
RPI 693
#13.1
11/08/1983
RPI 681
#9.1
07/05/1983
RPI 663
#6.1
12/07/1982
RPI 633
#21.1
12/07/1993
RPI 1201
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.