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Official data from INPI

PROCESSO E DISPOSITIVO DE FABRICO DE PAINEIS DE CIMENTO,DISPOSITIVO DE CORTE DOS MESMOS E PROCESSO E DISPOSITIVO DE EMPILHAMENTO DE MONTAGENS FLEXIVEIS

ConcedidaInvention Patent

Application data

Number

PI7901559

Type

Invention Patent

Filing

03/16/1978

Publication

-

Progress at the INPI

  1. Filing03/16/78
  2. Publication
  3. Examination12/15/81
  4. Allowance08/24/82
  5. Grant05/31/83
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 05/31/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. T. (pessoa física)

Inventors

C. T. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Solicitação de exame técnico

#4.1

12/15/1981

RPI 582

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

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