6.2
05/30/1989
RPI 971
Application data
Number
PI8503814Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
Pilkington plc
GB
Inventors
D. P. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
05/30/1989
RPI 971
#4.1
06/28/1988
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05/20/1986
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10/15/1985
RPI 782
#21.1
Patente extinta em 12/08/2000
07/15/2008
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#16.1
08/31/1993
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07/13/1993
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06/01/1993
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03/23/1993
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#6.1
06/23/1992
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07/30/1991
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05/07/1991
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