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Official data from INPI

CONDUTO DE LIGACAO ENTRE O INTERIOR E O EXTERIOR DE UM COMPARTIMENTO TAL COMO UM FORNO

Em AnáliseInvention Patent

Application data

Number

PI7901903

Type

Invention Patent

Filing

03/29/1979

Publication

-

Progress at the INPI

  1. Filing03/29/79
  2. Publication
  3. Examination02/16/83
  4. Allowance10/18/83
  5. Grant03/27/84
  6. Terminated05/17/88

The patent was granted on 03/27/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. L. (pessoa física)

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Inventors

B. J. (pessoa física)

D. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

16.3

06/19/1984

RPI 713

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/31/1984

RPI 693

Deferimento

#9.1

10/18/1983

RPI 678

Solicitação de exame técnico

#4.1

02/16/1983

RPI 643

Solicitação de exame não realizada

#4.2

12/14/1982

RPI 634

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