6.2
08/09/1988
RPI 929
Application data
Number
PI8403950Type
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)
US
IPC Classification
Priority claims
US
521.306 · 08/08/1983
US
627.711 · 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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08/25/1987
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#3.1
07/09/1985
RPI 768
#2.1
10/16/1984
RPI 730
#21.1
Patente extinta em 07/08/99
07/08/2008
RPI 1957
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04/26/1994
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11/23/1993
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#9.1
07/06/1993
RPI 1179
#6.1
11/17/1992
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#15.11
10/15/1991
RPI 1089
#6.1
05/07/1991
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