Publicação do pedido de patente
#3.1
04/26/1988
RPI 914
Application data
Number
PI8704578Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 04/26/1988. We update with every new RPI gazette, published weekly.
Applicants
Horton Manufacturing Co., Inc
US
Nexen Group, Inc.
US
Inventors
C. R. (pessoa física)
US
L. D. (pessoa física)
US
IPC Classification
Priority claims
US
011,778 · 02/06/1987
US
906,973 · 09/12/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
04/26/1988
RPI 914
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11/17/1987
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Patente extinta em 03/09/2002
07/29/2008
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#25.1
Transferido de: Horton Manufacturing Co., Inc.
06/27/2000
RPI 1538
#16.1
03/31/1992
RPI 1113
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07/16/1991
RPI 1076
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08/14/1990
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