9.1.3
08/15/1989
RPI 982
Application data
Number
PI8202180Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
P. C. (pessoa física)
US
Inventors
H. S. (pessoa física)
US
J. H. (pessoa física)
US
M. W. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
08/15/1989
RPI 982
#9.1
05/16/1989
RPI 969
#6.1
03/29/1988
RPI 910
#4.1
02/12/1986
RPI 799
#3.1
11/22/1983
RPI 683
#2.1
06/01/1982
RPI 606
#15.11
As classificações anteriores eram: C08G 75/12; C08J 3/24; C08L 81/02
08/16/2016
RPI 2380
#21.1
Patente extinta em 15/04/97
07/01/2008
RPI 1956
03/30/1993
RPI 1165
03/30/1993
RPI 1165
#16.1
03/20/1990
RPI 1010
#13.1
01/02/1990
RPI 1000
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.