16.3
07/26/1983
RPI 666
The letters patent expired on 05/03/1994: 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
SHINSEI INDUSTRIES CO
Inventors
F. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/26/1983
RPI 666
#16.1
05/31/1983
RPI 658
#13.1
01/11/1983
RPI 638
#9.1
09/08/1982
RPI 620
#6.1
12/22/1981
RPI 583
#21.1
05/03/1994
RPI 1222
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.