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Official data from INPI

PROTESE DE VALVULA DO CORACAO APERFEICOADA,E DISPOSITIVO DE VALVULA APERFEICOADO PARA UMA VALVULA DE CORACAO

Em AnáliseInvention Patent

Application data

Number

PI7603457

Type

Invention Patent

Filing

05/31/1976

Publication

-

Progress at the INPI

  1. Filing05/31/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant11/10/81
  6. Terminated11/17/87

The patent was granted on 11/10/1981 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. R. (pessoa física)

Inventors

K. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/17/1987

RPI 891

Concessão da patente

#16.1

11/10/1981

RPI 577

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