Publicação do pedido de patente
#3.1
11/28/1989
RPI 997
Application data
Number
PI8901806Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
Otis Elevator Company
US
Inventors
K. D. (pessoa física)
US
Y. K. (pessoa física)
JP
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/28/1989
RPI 997
#2.1
05/30/1989
RPI 971
#21.1
Patente extinta em 14/04/2009
12/26/2012
RPI 2190
#16.1
07/28/1998
RPI 1440
#9.1
06/03/1997
RPI 1383
#4.1
06/02/1992
RPI 1122
#4.2
02/25/1992
RPI 1108
From the same holder
Same category
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