Publicação do pedido de patente
#3.1
08/15/1989
RPI 982
Application data
Number
PI8900022Type
Filing
Publication
The letters patent expired on 01/02/2013: 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: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
Middelburg Steel And Alloys (Proprietary) Limited
ZA
Inventors
D. S. (pessoa física)
ZA
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
08/15/1989
RPI 982
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02/14/1989
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Patente extinta em 04/01/2009
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