6.2
08/09/1988
RPI 929
Application data
Number
PI8403925Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 08/09/1988. We update with every new RPI gazette, published weekly.
Applicants
K. C. (pessoa física)
US
Inventors
D. D. (pessoa física)
J. M. (pessoa física)
US
V. J. (pessoa física)
US
IPC Classification
Priority claims
US
521.487 · 08/08/1983
US
627.710 · 07/11/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
08/09/1988
RPI 929
#4.1
12/29/1987
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11/03/1987
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#15.3
08/25/1987
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#3.1
07/09/1985
RPI 768
#2.1
10/09/1984
RPI 729
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: D21H 5/16; A24D 1/02.
03/27/2018
RPI 2464
#21.1
Patente extinta em 06/08/99
07/08/2008
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04/26/1994
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11/23/1993
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07/06/1993
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11/17/1992
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#15.11
10/15/1991
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#6.1
05/07/1991
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