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Official data from INPI

PROCESSO PARA PREPARACAO DE UM DIESTER INSATURADO

Em AnáliseInvention Patent

Application data

Number

PI7803940

Type

Invention Patent

Filing

06/22/1977

Publication

-

Progress at the INPI

  1. Filing06/22/77
  2. Publication
  3. Examination
  4. Allowance08/16/83
  5. Grant05/29/84
  6. Terminated06/14/88

The patent was granted on 05/29/1984 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ATLANTIC RICHFIELD CO

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Inventors

K. H. (pessoa física)

Z. L. (pessoa física)

Technical data

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

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

12/06/1983

RPI 685

Deferimento

#9.1

08/16/1983

RPI 669

Exigência - art. 36 da LPI

#6.1

10/19/1982

RPI 626

6.2

10/06/1981

RPI 572

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