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Official data from INPI

PANQUEQUEIRA .

Em AnáliseUtility Model

Application data

Number

MU5900678

Type

Utility Model

Filing

05/18/1979

Publication

-

Progress at the INPI

  1. Filing05/18/79
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant04/26/83
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 06/19/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALUMINIO EMPRESS S/A . INDÚSTRIA METALURGICA.

Inventors

C. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

06/19/1984

RPI 713

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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