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Official data from INPI

TRABALHO EM MATERIAL EM TIRA

ConcedidaInvention Patent

Application data

Number

PI8207663

Type

Invention Patent

Filing

04/23/1982

Publication

03/29/1983

Progress at the INPI

  1. Filing04/23/82
  2. Publication03/29/83
  3. Examination08/23/83
  4. Allowance10/27/87
  5. Grant05/31/88
  6. Terminated07/18/95

The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The British Aluminium Company plc

GB

Inventors

B. [. (pessoa física)

P. [. (pessoa física)

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

03/01/1988

RPI 906

Deferimento

#9.1

10/27/1987

RPI 888

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Notificação de entrada na fase nacional - PCT

#1.3

03/29/1983

RPI 649

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B21B 37/06.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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