Concessão da patente
#16.1
11/24/1987
RPI 892
Application data
Number
PI8300406Type
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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
Jervis B. Webb International Company
US
Inventors
D. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/24/1987
RPI 892
#13.1
10/20/1987
RPI 887
#9.1
06/23/1987
RPI 870
#6.1
10/07/1986
RPI 833
#4.1
01/28/1986
RPI 797
#3.1
11/01/1983
RPI 680
#2.1
03/15/1983
RPI 647
#21.1
Patente extinta em 27/01/98
07/01/2008
RPI 1956
11/06/1990
RPI 1040
#18.2
10/02/1990
RPI 1035
From the same holder
Same category
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