Pedido de patente depositado
#2.1
06/27/1989
RPI 975
Application data
Number
PI8902140Type
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: 06/27/1989. We update with every new RPI gazette, published weekly.
Applicants
C. U. (pessoa física)
GB
D. M. (pessoa física)
GB
Inventors
D. M. (pessoa física)
GB
IPC Classification
Priority claims
GB
8810871.7 · 05/07/1988
GB
8909185.4 · 04/24/1989
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
06/27/1989
RPI 975
#21.1
Patente extinta em 08/05/2004
12/22/2009
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