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Official data from INPI

MEIOS DE FIXACAO DE PAINEIS E PAINEIS ASSIM OBTIDOS

Em AnáliseInvention Patent

Application data

Number

PI7803191

Type

Invention Patent

Filing

05/19/1978

Publication

-

Progress at the INPI

  1. Filing05/19/78
  2. Publication
  3. Examination
  4. Allowance02/24/82
  5. Grant
  6. Expired11/30/93

The letters patent expired on 11/30/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/30/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. U. (pessoa física)

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/08/1982

RPI 607

Deferimento

#9.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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