20.7
03/04/1986
RPI 802
The letters patent expired on 11/30/1993: 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: 03/04/1986. We update with every new RPI gazette, published weekly.
Applicants
ITALTRACTOR
Inventors
R. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
03/04/1986
RPI 802
02/18/1986
RPI 800
#16.1
05/31/1983
RPI 658
#13.1
02/01/1983
RPI 641
#9.1
09/28/1982
RPI 623
#6.1
03/09/1982
RPI 594
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.