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Official data from INPI

PROCESSO E DISPOSITIVO PARA ACIONAMENTO DE TAMPAS DE CARDAS

Em AnáliseInvention Patent

Application data

Number

PI8004101

Type

Invention Patent

Filing

07/03/1979

Publication

-

Progress at the INPI

  1. Filing07/03/79
  2. Publication
  3. Examination12/21/82
  4. Allowance05/15/84
  5. Grant11/27/84
  6. Terminated05/17/88

The patent was granted on 11/27/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TRUETZSCHLER & CO

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Inventors

K. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/15/1984

RPI 708

Exigência - art. 36 da LPI

#6.1

12/06/1983

RPI 685

Solicitação de exame técnico

#4.1

12/21/1982

RPI 635

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