Concessão da patente
#16.1
06/28/1983
RPI 662
The letters patent expired on 07/27/1993: 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: 06/28/1983. We update with every new RPI gazette, published weekly.
Applicants
T. F. (pessoa física)
Inventors
T. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1983
RPI 662
#13.1
01/18/1983
RPI 639
#15.11
11/30/1982
RPI 632
10/19/1982
RPI 626
#12.1
10/06/1981
RPI 572
#21.1
07/27/1993
RPI 1182
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.