Pedido de patente depositado
#2.1
07/11/1989
RPI 977
Application data
Number
PI8902556Type
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: 07/11/1989. We update with every new RPI gazette, published weekly.
Applicants
Cyclofil (Proprietary) Limited
ZA
Inventors
M. D. (pessoa física)
ZA
P. V. (pessoa física)
ZA
W. P. (pessoa física)
ZA
IPC Classification
Priority claims
ZA
88/3923 · 06/02/1988
ZA
89/1144 · 02/14/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
07/11/1989
RPI 977
#21.1
Patente extinta em 02/06/2004
12/22/2009
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03/25/1997
RPI 1373
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04/30/1996
RPI 1326
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03/10/1992
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