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Official data from INPI

BARRAMENTO

DeferidaInvention Patent

Application data

Number

PI8506256

Type

Invention Patent

Filing

12/13/1985

Publication

04/22/1987

Progress at the INPI

  1. Filing12/13/85
  2. Publication04/22/87
  3. Examination06/09/87
  4. Allowance10/31/89
  5. Grant06/26/90
  6. Terminated08/15/95

The patent was granted on 06/26/1990 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Engebasa Mecânica e Usinagem S/A.

SP, BR

Inventors

B. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Solicitação de exame técnico

#4.1

06/09/1987

RPI 868

Publicação antecipada

#3.2

04/22/1987

RPI 861

Pedido de patente depositado

#2.1

02/17/1987

RPI 852

Anuidade - prazo legal encerrado

#18.2

08/15/1995

RPI 1289

Republicação - classificação IPC

#15.11

07/02/1991

RPI 1074

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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