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Official data from INPI

PROCESSO PARA ELEVAR FLANGES DE FECHAMENTO

Em AnáliseInvention Patent

Application data

Number

PI7704265

Type

Invention Patent

Filing

06/30/1977

Publication

-

Progress at the INPI

  1. Filing06/30/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Terminated12/15/87

The patent was granted on 07/27/1982 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMERICAN FLANGE & MFG

Inventors

D. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

12/15/1981

RPI 582

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