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Official data from INPI

SEPARADOR DE CELULA ELETROLITICA, SEU COMPONENTE DE ELEMENTO TUBULAR E PROCESSOS DE MANUFATURA E USO DE TAL SEPARADOR E COMPONENTE

Em AnáliseInvention Patent

Application data

Number

PI8005791

Type

Invention Patent

Filing

09/14/1979

Publication

-

Progress at the INPI

  1. Filing09/14/79
  2. Publication
  3. Examination
  4. Allowance11/23/82
  5. Grant06/21/83
  6. Terminated06/21/88

The patent was granted on 06/21/1983 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HOOKER CHEMICALS PLASTICS CORP

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Inventors

D. R. (pessoa física)

L. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

06/21/1983

RPI 661

14.4

06/07/1983

RPI 659

Notificação para pagamento de retribuição

#13.1

04/05/1983

RPI 650

Deferimento

#9.1

11/23/1982

RPI 631

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