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Official data from INPI

COLUNA DE SUSTENTACAO PARA UM DISPOSITIVO DE LEVANTAMENTO E OSCILACAO PARA A TAMPA DE FORNOS DE ARCO VOLTAICO

Em AnáliseInvention Patent

Application data

Number

PI7801330

Type

Invention Patent

Filing

03/08/1977

Publication

-

Progress at the INPI

  1. Filing03/08/77
  2. Publication
  3. Examination
  4. Allowance03/30/82
  5. Grant
  6. Terminated02/25/86

The patent was granted 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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC BROWN BOVERI & CIE

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

02/25/1986

RPI 801

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Notificação para pagamento de retribuição

#13.1

07/20/1982

RPI 613

15.0

04/27/1982

RPI 601

Deferimento

#9.1

03/30/1982

RPI 597

6.2

11/03/1981

RPI 576

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