Concessão da patente
#16.1
04/26/1983
RPI 653
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: 04/26/1983. We update with every new RPI gazette, published weekly.
Applicants
D. D. (pessoa física)
Inventors
P. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/26/1983
RPI 653
#13.1
01/25/1983
RPI 640
#9.1
09/21/1982
RPI 622
#6.1
04/06/1982
RPI 598
#21.1
05/03/1994
RPI 1222
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.