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Official data from INPI

APARELHO E PROCESSO PARA CONTROLE DA UNIFORMIDADE DO DIAMETRO DE PRODUTO RECHEADO E CONTORMACAO DAS EXTREMIDADES TERMINAIS DE UM PRODUTO ENVOLVIDO

Em AnáliseInvention Patent

Application data

Number

PI7607245

Type

Invention Patent

Filing

10/30/1975

Publication

-

Progress at the INPI

  1. Filing10/30/75
  2. Publication
  3. Examination
  4. Allowance09/20/83
  5. Grant03/27/84
  6. Terminated11/24/87

The patent was granted on 03/27/1984 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: 11/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

UNION CARBIDE CORP

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Inventors

K. V. (pessoa física)

M. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/24/1987

RPI 892

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/03/1984

RPI 689

Deferimento

#9.1

09/20/1983

RPI 674

Exigência - art. 36 da LPI

#6.1

02/09/1982

RPI 590

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