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Official data from INPI

PROCESSO PARA A PREPARACAO DE DERIVADOS METACRILICOS DE COMPOSTO CONTENDO BUTILA TERCIARIA

ConcedidaInvention Patent

Application data

Number

PI7704883

Type

Invention Patent

Filing

08/02/1976

Publication

-

Progress at the INPI

  1. Filing08/02/76
  2. Publication
  3. Examination
  4. Allowance04/12/83
  5. Grant12/27/83
  6. Terminated08/28/90

The patent was granted on 12/27/1983 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: 12/27/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STANDARD OIL CO

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Inventors

C. J. (pessoa física)

G. R. (pessoa física)

H. H. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

08/30/1983

RPI 671

Deferimento

#9.1

04/12/1983

RPI 651

15.0

04/27/1982

RPI 601

Exigência - art. 36 da LPI

#6.1

03/02/1982

RPI 593

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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