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Official data from INPI

ELEMENTO PARA CONSTRUCAO DE ESCADAS

Em AnáliseInvention Patent

Application data

Number

PI8008936

Type

Invention Patent

Filing

11/28/1979

Publication

10/20/1981

Progress at the INPI

  1. Filing11/28/79
  2. Publication10/20/81
  3. Examination05/25/82
  4. Allowance10/25/83
  5. Grant05/29/84
  6. Terminated05/17/88

The patent was granted on 05/29/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. R. (pessoa física)

Inventors

P. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

02/07/1984

RPI 694

Deferimento

#9.1

10/25/1983

RPI 679

Exigência - art. 36 da LPI

#6.1

05/03/1983

RPI 654

Solicitação de exame técnico

#4.1

05/25/1982

RPI 605

Notificação de entrada na fase nacional - PCT

#1.3

10/20/1981

RPI 574

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