Solicitação de exame técnico
#4.1
01/31/1989
RPI 954
Application data
Number
PI8507220Type
Filing
Publication
PCT
US1985001074 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: 01/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Drug Delivery Systems Inc
US
Inventors
D. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
01/31/1989
RPI 954
#1.3
08/04/1987
RPI 876
#21.1
Patente extinta em 10/06/2000
07/15/2008
RPI 1958
#16.1
05/31/1994
RPI 1226
#9.1
11/09/1993
RPI 1197
#6.1
07/06/1993
RPI 1179
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