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Official data from INPI

TIJOLO PARA O REVESTIMENTO REFRATÁRIO DE UM RECIPIENTE METALÚRGICO E REVESTIMENTO REFRATÁRIO DE UM RECIPIENTE METALÚRGICO.

Em AnáliseInvention Patent

Application data

Number

PI8002485

Type

Invention Patent

Filing

04/23/1980

Publication

-

Progress at the INPI

  1. Filing04/23/80
  2. Publication
  3. Examination
  4. Allowance02/14/84
  5. Grant08/28/84
  6. Terminated09/26/89

The patent was granted on 08/28/1984 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cockerill

Inventors

Z. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/05/1984

RPI 711

Deferimento

#9.1

02/14/1984

RPI 695

Pedido de certificado de adição de invenção

#5.1

01/12/1982

RPI 586

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