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Official data from INPI

Processo e aparelho para o controle do teor de unidade de uma tela de filtro e máquina de produção de papel que realiza o dito processo.

Em AnáliseInvention Patent

Application data

Number

PI7906057

Type

Invention Patent

Filing

09/21/1979

Publication

-

Progress at the INPI

  1. Filing09/21/79
  2. Publication
  3. Examination06/08/82
  4. Allowance01/24/84
  5. Grant07/31/84
  6. Terminated06/14/88

The patent was granted on 07/31/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Albany International Corp.

US

See this company's full portfolio

Inventors

L. R. (pessoa física)

Technical data

IPC Classification

Priority claims

SE

78100146 · 09/25/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/24/1984

RPI 692

Exigência - art. 36 da LPI

#6.1

08/23/1983

RPI 670

Exigência - art. 36 da LPI

#6.1

02/16/1983

RPI 643

Solicitação de exame técnico

#4.1

06/08/1982

RPI 607

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