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Official data from INPI

Processo de manter uma superfície metálica de válvula livre de depósitos.

ArquivadaInvention Patent

Application data

Number

PI7907603

Type

Invention Patent

Filing

11/23/1979

Publication

-

Progress at the INPI

  1. Filing11/23/79
  2. Publication
  3. Examination08/03/82
  4. Allowance01/24/84
  5. Abandoned
  6. In force

The application was allowed on 01/24/1984 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 02/20/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

02/20/1985

RPI 748

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

03/22/1983

RPI 648

Solicitação de exame técnico

#4.1

08/03/1982

RPI 615

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