14.1
06/14/1988
RPI 921
Application data
Number
PI8500651Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 06/14/1988. We update with every new RPI gazette, published weekly.
Applicants
H. I. (pessoa física)
US
Lapp Insulator Company
US
Inventors
E. W. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/14/1988
RPI 921
#4.1
11/11/1986
RPI 838
#3.1
09/16/1986
RPI 830
#2.1
05/07/1985
RPI 759
#21.1
Patente extinta em 12/02/2000
07/15/2008
RPI 1958
07/30/1996
RPI 1339
#20.1
09/05/1995
RPI 1292
#16.1
02/26/1991
RPI 1056
#13.1
11/27/1990
RPI 1043
#9.1
08/14/1990
RPI 1028
#6.1
03/01/1990
RPI 1007
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