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Official data from INPI

BLOCO DE TIJOLO DE MATERIAL REFRATÁRIO PERMEÁVEL A GÁS.

ConcedidaInvention Patent

Application data

Number

PI8103982

Type

Invention Patent

Filing

06/24/1981

Publication

03/09/1982

Progress at the INPI

  1. Filing06/24/81
  2. Publication03/09/82
  3. Examination08/10/82
  4. Allowance01/03/84
  5. Grant09/25/84
  6. Terminated06/27/95

The patent was granted on 09/25/1984 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ARBED S.A.

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Inventors

H. F. (pessoa física)

K. F. (pessoa física)

Technical data

IPC Classification

Priority claims

LU

82552 · 06/25/1980

LU

82553 · 06/25/1980

LU

82554 · 06/25/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

08/10/1982

RPI 616

Publicação do pedido de patente

#3.1

03/09/1982

RPI 594

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

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