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Official data from INPI

POLIURETANO E CELULA DE COMBUSTIVEL DE POLIESTER URETANO

Em AnáliseInvention Patent

Application data

Number

PI8004953

Type

Invention Patent

Filing

08/17/1979

Publication

-

Progress at the INPI

  1. Filing08/17/79
  2. Publication
  3. Examination04/26/83
  4. Allowance08/06/85
  5. Grant03/25/86
  6. Terminated09/26/89

The patent was granted on 03/25/1986 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODYEAR TIRE & RUBBER

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Inventors

C. D. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

09/26/1989

RPI 988

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

12/10/1985

RPI 790

Deferimento

#9.1

08/06/1985

RPI 772

Exigência - art. 36 da LPI

#6.1

09/04/1984

RPI 724

Exigência - art. 36 da LPI

#6.1

01/24/1984

RPI 692

Solicitação de exame técnico

#4.1

04/26/1983

RPI 653

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