Solicitação de exame técnico
#4.1
01/17/1989
RPI 952
Application data
Number
PI8507219Type
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: 01/17/1989. We update with every new RPI gazette, published weekly.
Applicants
Drug Delivery Systems Inc.
US
Inventors
D. S. (pessoa física)
US
S. R. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
01/17/1989
RPI 952
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Patente extinta em 10/06/2000
07/15/2008
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10/31/1995
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09/20/1994
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02/09/1993
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