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Official data from INPI

FECHADURA COM MECANISMO FLEXÍVEL

Em AnáliseInvention Patent

Application data

Number

PI7504574

Type

Invention Patent

Filing

07/18/1975

Publication

-

Progress at the INPI

  1. Filing07/18/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant04/26/83
  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: 07/09/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pado S/A. Indústrial, Comercial e Importadora

SP, BR

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Inventors

M. P. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

320

07/09/1985

RPI 768

201

10/16/1984

RPI 730

Pedido de licença voluntária

#17.1

05/22/1984

RPI 709

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

10/13/1982

RPI 625

120

02/02/1982

RPI 589

Carta-patente expirada

#21.1

Patente extinta em 18/07/90

07/01/2008

RPI 1956

19.1

03/12/1996

RPI 1319

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