Concessão da patente
#16.1
09/30/1986
RPI 832
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Official data from INPI
LENTES DE CONTATO DURAS PERMEÁVEIS A OXIGÊNIO.
ConcedidaInvention Patent
Application data
Number
PI8307455Type
Invention Patent
Filing
07/25/1983
Publication
07/17/1984
Progress at the INPI
- Filing07/25/83
- Publication07/17/84
- Examination10/23/84
- Allowance04/08/86
- Grant09/30/86
- Expired07/01/08
The letters patent expired on 07/01/2008: 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: 09/30/1986. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
H. C. (pessoa física)
JP
Inventors
K. K. (pessoa física)
M. T. (pessoa física)
JP
S. Y. (pessoa física)
Technical data
IPC Classification
No IPC classification.
Priority claims
JP
130836/82 · 07/27/1982
JP
PCT/83/00237 · 07/25/1983
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
08/12/1986
RPI 825
Deferimento
#9.1
04/08/1986
RPI 807
Exigência - art. 36 da LPI
#6.1
04/30/1985
RPI 758
Solicitação de exame técnico
#4.1
10/23/1984
RPI 731
Notificação de entrada na fase nacional - PCT
#1.3
07/17/1984
RPI 717
Carta-patente expirada
#21.1
Patente extinta em 25/07/98
07/01/2008
RPI 1956
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