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Official data from INPI

DISPOSITIVO DE PROTECAO DE UM CONDUTO QUE DESEMBOCA EM UM COMPARTIMENTO

Em AnáliseInvention Patent

Application data

Number

PI7901904

Type

Invention Patent

Filing

03/29/1979

Publication

-

Progress at the INPI

  1. Filing03/29/79
  2. Publication
  3. Examination
  4. Allowance04/06/82
  5. Grant
  6. Terminated05/17/88

The patent was granted 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

C. L. (pessoa física)

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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).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Notificação para pagamento de retribuição

#13.1

07/27/1982

RPI 614

Deferimento

#9.1

04/06/1982

RPI 598

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