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Official data from INPI

MEIOS DE CONSTRUCAO DE UMA SEQUENCIA DE ESCADA COM FIXACAO E SOLTURA DOS RESPECTIVOS ELEMENTOS BEM COMO ESCADA CONSTRUIDA COM OS RESPECTIVOS MEIOS

Em AnáliseInvention Patent

Application data

Number

PI8005066

Type

Invention Patent

Filing

08/12/1980

Publication

04/06/1982

Progress at the INPI

  1. Filing08/12/80
  2. Publication04/06/82
  3. Examination07/27/82
  4. Allowance08/02/83
  5. Grant03/27/84
  6. Terminated02/04/92

The patent was granted on 03/27/1984 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: 10/23/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. G. (pessoa física)

Inventors

J. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

10/23/1984

RPI 731

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

11/22/1983

RPI 683

Deferimento

#9.1

08/02/1983

RPI 667

Exigência - art. 36 da LPI

#6.1

03/29/1983

RPI 649

Solicitação de exame técnico

#4.1

07/27/1982

RPI 614

Publicação do pedido de patente

#3.1

04/06/1982

RPI 598

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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