Concessão da patente
#16.1
02/25/1986
RPI 801
The letters patent expired on 04/04/1995: 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: 02/25/1986. We update with every new RPI gazette, published weekly.
Applicants
SIG SCHWEIZ INDUSTRIEGES
Inventors
W. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/25/1986
RPI 801
#13.1
12/03/1985
RPI 789
09/17/1985
RPI 778
#12.1
11/22/1983
RPI 683
#9.1
08/02/1983
RPI 667
#5.1
06/08/1982
RPI 607
#4.1
01/26/1982
RPI 588
#21.1
04/04/1995
RPI 1270
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.