Concessão da patente
#16.1
12/29/1987
RPI 897
Application data
Number
PI8303596Type
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: 12/29/1987. We update with every new RPI gazette, published weekly.
Applicants
Otis Elevator Company
US
Inventors
K. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/29/1987
RPI 897
#13.1
10/20/1987
RPI 887
#9.1
06/23/1987
RPI 870
#4.1
06/03/1986
RPI 815
#3.1
02/14/1984
RPI 695
#2.1
08/16/1983
RPI 669
#21.1
Patente extinta em 05/07/98
07/01/2008
RPI 1956
From the same holder
Same category
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