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Official data from INPI

PROTESE DE VALVULA CARDIACA E METODO DE MONTAGEM

ConcedidaInvention Patent

Application data

Number

PI8002711

Type

Invention Patent

Filing

05/02/1980

Publication

12/22/1981

Progress at the INPI

  1. Filing05/02/80
  2. Publication12/22/81
  3. Examination05/17/83
  4. Allowance05/22/84
  5. Grant10/30/84
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 10/30/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. M. (pessoa física)

Inventors

H. D. (pessoa física)

P. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/30/1984

RPI 732

Deferimento

#9.1

05/22/1984

RPI 709

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

05/17/1983

RPI 656

Publicação do pedido de patente

#3.1

12/22/1981

RPI 583

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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