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Official data from INPI

SISTEMA DE VENTILAÇÃO PARA FORNO DE MICRO ONDAS COMBINADO COM RESPIRADOURO DE EXAUSTÃO

Em AnáliseInvention Patent

Application data

Number

PI7905418

Type

Invention Patent

Filing

08/21/1979

Publication

-

Progress at the INPI

  1. Filing08/21/79
  2. Publication
  3. Examination06/29/82
  4. Allowance10/25/83
  5. Grant03/27/84
  6. Terminated07/12/88

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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

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Inventors

L. W. (pessoa física)

R. F. (pessoa física)

W. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

935436 · 08/21/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

02/07/1984

RPI 694

Deferimento

#9.1

10/25/1983

RPI 679

Exigência - art. 36 da LPI

#6.1

03/22/1983

RPI 648

Solicitação de exame técnico

#4.1

06/29/1982

RPI 610

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