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Official data from INPI

SISTEMA DE UNIÃO ANGULAR DE ESQUADRIAS METÁLICAS E FIXAÇÃO DAS RESPECTIVAS ROLDANAS

ConcedidaInvention Patent

Application data

Number

PI8203404

Type

Invention Patent

Filing

06/09/1982

Publication

01/17/1984

Progress at the INPI

  1. Filing06/09/82
  2. Publication01/17/84
  3. Examination03/20/84
  4. Allowance05/13/86
  5. Grant11/25/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. O. (pessoa física)

RJ, BR

Inventors

J. O. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/25/1986

RPI 840

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

05/13/1986

RPI 812

Exigência - art. 36 da LPI

#6.1

03/12/1985

RPI 751

Solicitação de exame técnico

#4.1

03/20/1984

RPI 700

Publicação do pedido de patente

#3.1

01/17/1984

RPI 691

Pedido de patente depositado

#2.1

07/27/1982

RPI 614

Carta-patente expirada

#21.1

Patente extinta em 09/06/97

07/01/2008

RPI 1956

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