Concessão da patente
#16.1
12/31/1985
RPI 793
Application data
Number
PI8107414Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 12/31/1985. We update with every new RPI gazette, published weekly.
Applicants
KAHN LEONARD R [US]
Inventors
K. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/31/1985
RPI 793
#13.1
09/03/1985
RPI 776
#9.1
05/14/1985
RPI 760
#6.1
08/21/1984
RPI 722
#4.1
10/11/1983
RPI 677
#3.1
06/21/1983
RPI 661
#2.1
12/29/1981
RPI 584
#21.1
Patente extinta em 16/11/96
08/19/2008
RPI 1963
From the same holder
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