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Official data from INPI

PROCESSO E APARELHO PARA PROTECAO DE UMA CORRENTE DE METAL EM FUSAO CONTRA A ATMOSFERA CIRCUNDANTE

Em AnáliseInvention Patent

Application data

Number

PI7805985

Type

Invention Patent

Filing

09/13/1977

Publication

-

Progress at the INPI

  1. Filing09/13/77
  2. Publication
  3. Examination
  4. Allowance02/16/83
  5. Grant08/30/83
  6. Terminated02/25/86

The patent was granted on 08/30/1983 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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BRITISH STEEL CORP

See this company's full portfolio

Inventors

A. S. (pessoa física)

Technical data

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

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/14/1983

RPI 660

Deferimento

#9.1

02/16/1983

RPI 643

Exigência - art. 36 da LPI

#6.1

06/01/1982

RPI 606

6.2

01/26/1982

RPI 588

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