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Official data from INPI

PROCESSO MELHORADO DE POLIMERIZACAO IONICA DO ETILENO SOB ALTA PRESSAO

Em AnáliseInvention Patent

Application data

Number

PI7701113

Type

Invention Patent

Filing

02/25/1976

Publication

-

Progress at the INPI

  1. Filing02/25/76
  2. Publication
  3. Examination
  4. Allowance02/28/84
  5. Grant09/25/84
  6. Terminated05/10/88

The patent was granted on 09/25/1984 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: 05/10/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

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Inventors

B. K. (pessoa física)

M. J. (pessoa física)

N. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/10/1988

RPI 916

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Deferimento

#9.1

02/28/1984

RPI 697

Conhecimento de parecer técnico

#7.1

02/08/1983

RPI 642

15.0

04/27/1982

RPI 601

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

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