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Official data from INPI

TETO PARA FORNOS DE FUNDICAO ELETRICOS COBERTOS

Em AnáliseInvention Patent

Application data

Number

PI7807983

Type

Invention Patent

Filing

12/06/1977

Publication

-

Progress at the INPI

  1. Filing12/06/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant10/30/84
  6. Terminated05/17/88

The patent was granted on 10/30/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. A. (pessoa física)

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Inventors

K. H. (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

Concessão da patente

#16.1

10/30/1984

RPI 732

14.4

08/16/1983

RPI 669

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

15.0

06/22/1982

RPI 609

Exigência - art. 36 da LPI

#6.1

06/08/1982

RPI 607

6.2

12/15/1981

RPI 582

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