Pedido de patente depositado
#2.1
10/10/1989
RPI 990
Application data
Number
PI8903656Type
Filing
Publication
The letters patent expired on 12/22/2009: 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: 10/10/1989. We update with every new RPI gazette, published weekly.
Applicants
E. C. (pessoa física)
US
W. C. (pessoa física)
US
Inventors
A. M. (pessoa física)
US
M. C. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/10/1989
RPI 990
#21.1
Patente extinta em 24/07/2004
12/22/2009
RPI 2033
#25.1
Transferido de: Westinghouse Electric Corporation
09/15/1998
RPI 1447
#16.1
11/28/1995
RPI 1304
#13.1
10/24/1995
RPI 1299
#9.1
06/13/1995
RPI 1280
#6.1
12/27/1994
RPI 1256
#4.1
04/07/1992
RPI 1114
#3.1
03/13/1990
RPI 1009
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