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Official data from INPI

APERFEICOAMENTO EM DISPOSITIVO DE CONTROLE DE TEMPERATURA EM FERRO DE ENGOMAR A VAPOR

Em AnáliseInvention Patent

Application data

Number

PI7904083

Type

Invention Patent

Filing

06/26/1978

Publication

-

Progress at the INPI

  1. Filing06/26/78
  2. Publication
  3. Examination02/09/82
  4. Allowance05/10/83
  5. Grant10/25/83
  6. Terminated01/28/92

The patent was granted on 10/25/1983 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: 10/08/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. E. (pessoa física)

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Inventors

B. B. (pessoa física)

W. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

10/08/1985

RPI 781

Concessão da patente

#16.1

10/25/1983

RPI 679

Deferimento

#9.1

05/10/1983

RPI 655

Solicitação de exame técnico

#4.1

02/09/1982

RPI 590

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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