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Official data from INPI

PROTESE VASCULAR DE ESTRUTURA COMPOSTA;E PROCESSO PARA PRODUCAO DE PROTESE VASCULAR

ConcedidaInvention Patent
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Application data

Number

PI7705520

Type

Invention Patent

Filing

08/20/1976

Publication

-
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Progress at the INPI

  1. Filing08/20/76
  2. Publication
  3. Examination
  4. Allowance01/04/83
  5. Grant07/26/83
  6. Expired07/13/93

The letters patent expired on 07/13/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 07/26/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SUMITOMO ELECTRIC INDUSTRIES

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Inventors

O. K. (pessoa física)

Technical data

IPC Classification

A61F 1/22

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/26/1983

RPI 666

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/04/1983

RPI 637

8.1

08/24/1982

RPI 618

6.3

05/11/1982

RPI 603

Exigência - art. 36 da LPI

#6.1

03/16/1982

RPI 595

Carta-patente expirada

#21.1

07/13/1993

RPI 1180

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