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Official data from INPI

PROCESSO QUE COMPREENDE A COPOLIMERIZACAO DE CIS-1,3-PENTADIENO E PROCESSO QUE COMPREENDE A POLIMERIZACAO DE PELO MENOS UMA DIOLEFINA

Em AnáliseInvention Patent

Application data

Number

PI7902011

Type

Invention Patent

Filing

04/05/1978

Publication

-

Progress at the INPI

  1. Filing04/05/78
  2. Publication
  3. Examination12/29/81
  4. Allowance03/22/83
  5. Grant10/25/83
  6. Terminated06/14/88

The patent was granted on 10/25/1983 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

GOODYEAR TIRE & RUBBER

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Inventors

S. C. (pessoa física)

T. M. (pessoa física)

Technical data

IPC Classification

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

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

6.2

06/22/1982

RPI 609

Solicitação de exame técnico

#4.1

12/29/1981

RPI 584

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