Concessão da patente
#16.1
05/28/1985
RPI 762
The letters patent expired on 11/21/1995: 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: 05/28/1985. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining And Manufacturing Company
US
Inventors
K. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/28/1985
RPI 762
#13.1
04/09/1985
RPI 755
#9.1
12/04/1984
RPI 737
#6.1
01/10/1984
RPI 690
#4.1
07/19/1983
RPI 665
#21.1
11/21/1995
RPI 1303
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.