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Official data from INPI

CONJUNTO DE FILTRO DE FLUIDO APERFEICOADO E PROCESSO PARA SUA FABRICACAO

ConcedidaInvention Patent

Application data

Number

PI7807680

Type

Invention Patent

Filing

11/23/1977

Publication

-

Progress at the INPI

  1. Filing11/23/77
  2. Publication
  3. Examination
  4. Allowance01/25/83
  5. Grant09/27/83
  6. Terminated09/18/90

The patent was granted on 09/27/1983 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: 09/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SEALED POWER CORP

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Inventors

J. D. (pessoa física)

W. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

05/31/1983

RPI 658

Deferimento

#9.1

01/25/1983

RPI 640

15.0

06/08/1982

RPI 607

Exigência - art. 36 da LPI

#6.1

05/18/1982

RPI 604

6.2

12/29/1981

RPI 584

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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