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Official data from INPI

ENXERTO VASCULAR

Em AnáliseInvention Patent

Application data

Number

PI8307628

Type

Invention Patent

Filing

12/08/1983

Publication

11/27/1984

Progress at the INPI

  1. Filing12/08/83
  2. Publication11/27/84
  3. Examination12/09/86
  4. Allowance07/16/91
  5. Grant12/31/91
  6. 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 specialist

Latest action published by the INPI: 12/09/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Possis Medical, Inc.

US

Inventors

D. N. (pessoa física)

US

Z. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

448.955 · 12/13/1982

US

489.798 · 04/29/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/09/1986

RPI 842

Notificação de entrada na fase nacional - PCT

#1.3

11/27/1984

RPI 736

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era A61F 1/00.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 08/12/98

07/01/2008

RPI 1956

Concessão da patente

#16.1

12/31/1991

RPI 1100

Deferimento

#9.1

07/16/1991

RPI 1076

Exigência - art. 36 da LPI

#6.1

02/05/1991

RPI 1053

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