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Official data from INPI

APERFEICOAMENTOS EM FECHO PARA JANELAS DE CORRER

Em AnáliseUtility Model

Application data

Number

MU5601541

Type

Utility Model

Filing

12/16/1976

Publication

-

Progress at the INPI

  1. Filing12/16/76
  2. Publication
  3. Examination
  4. Allowance11/03/82
  5. Grant09/06/83
  6. Invalidated04/23/85

The patent was invalidated by the INPI in an administrative invalidity proceeding. Protection no longer exists.

Talk to a specialist

Latest action published by the INPI: 04/23/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PROMEL PROD METALURGICOS LTD

Inventors

F. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

200

04/23/1985

RPI 757

Pedido de licença voluntária

#17.1

11/06/1984

RPI 733

Concessão da patente

#16.1

09/06/1983

RPI 672

Notificação para pagamento de retribuição

#13.1

03/15/1983

RPI 647

100

11/03/1982

RPI 628

120

03/16/1982

RPI 595

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