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Official data from INPI

PROCESSO PARA A PREPARACAO DE CICLOPENTENO

Em AnáliseInvention Patent

Application data

Number

PI7807329

Type

Invention Patent

Filing

11/11/1977

Publication

-

Progress at the INPI

  1. Filing11/11/77
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant04/19/83
  6. Terminated02/25/86

The patent was granted on 04/19/1983 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: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODYEAR TIRE & RUBBER

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Inventors

B. J. (pessoa física)

W. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

02/25/1986

RPI 801

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Concessão da patente

#16.1

04/19/1983

RPI 652

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

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