18.4
10/25/1983
RPI 679
The patent was granted on 08/31/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 10/25/1983. We update with every new RPI gazette, published weekly.
Applicants
A. O. (pessoa física)
Inventors
M. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/25/1983
RPI 679
05/10/1983
RPI 655
#16.1
08/31/1982
RPI 619
02/16/1982
RPI 591
#18.2
10/23/1990
RPI 1038
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.