22.9
05/31/1983
RPI 658
The letters patent expired on 05/31/1994: 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: 05/31/1983. We update with every new RPI gazette, published weekly.
Applicants
ROSEMOUNT INC
Inventors
D. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
05/31/1983
RPI 658
#16.1
03/29/1983
RPI 649
#13.1
12/14/1982
RPI 634
#9.1
07/27/1982
RPI 614
#4.1
11/24/1981
RPI 579
#21.1
05/31/1994
RPI 1226
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.