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Official data from INPI

PROCESSO PARA A HOMOPOLIMERIZAÇÃO OU COPOLIMERIZAÇÃO DE OLEFINAS.

Em AnáliseInvention Patent

Application data

Number

PI7907531

Type

Invention Patent

Filing

11/20/1979

Publication

-

Progress at the INPI

  1. Filing11/20/79
  2. Publication
  3. Examination
  4. Allowance04/12/83
  5. Grant11/29/83
  6. Terminated06/14/88

The patent was granted on 11/29/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Euteco Impianti S.P.A.

IT

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Inventors

C. R. (pessoa física)

I. R. (pessoa física)

L. F. (pessoa física)

Technical data

Priority claims

IT

29967-A/78 · 11/21/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

08/30/1983

RPI 671

Deferimento

#9.1

04/12/1983

RPI 651

6.2

04/06/1982

RPI 598

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