Concessão da patente
#16.1
03/28/1989
RPI 962
Application data
Number
PI8403741Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 03/28/1989. We update with every new RPI gazette, published weekly.
Applicants
S. C. (pessoa física)
US
Inventors
W. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/28/1989
RPI 962
#13.1
09/06/1988
RPI 933
#15.11
08/02/1988
RPI 928
#9.1
05/10/1988
RPI 916
#4.1
06/03/1986
RPI 815
#3.1
12/03/1985
RPI 789
#2.1
10/02/1984
RPI 728
#21.1
Patente extinta em 27/07/99
07/08/2008
RPI 1957
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.