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Official data from INPI

FECHO PARA JANELA DE CORRER

Em AnáliseInvention Patent

Application data

Number

PI8104748

Type

Invention Patent

Filing

07/23/1981

Publication

03/01/1983

Progress at the INPI

  1. Filing07/23/81
  2. Publication03/01/83
  3. Examination10/11/83
  4. Allowance04/09/85
  5. Grant11/26/85
  6. Terminated02/04/92

The patent was granted on 11/26/1985 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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

METALURGICA SCHIER LTDA [BR]

Inventors

P. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

08/08/1989

RPI 981

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

10/11/1983

RPI 677

Publicação do pedido de patente

#3.1

03/01/1983

RPI 645

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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