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Official data from INPI

PROCESSO PARA PROLONGAR A RESISTÊNCIA AO DESGASTE DE UM COMPONENTE DE CERÂMICA, SEM ÓXIDOS E SUBSTANCIALMENTE DENSO, A TEMPERATURAS ELEVADAS.

ConcedidaInvention Patent

Application data

Number

PI8307714

Type

Invention Patent

Filing

05/20/1983

Publication

04/16/1985

Progress at the INPI

  1. Filing05/20/83
  2. Publication04/16/85
  3. Examination08/19/86
  4. Allowance02/28/89
  5. Grant09/26/89
  6. Terminated05/30/95

The patent was granted on 09/26/1989 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

Ford Motor Company

US

See this company's full portfolio

Inventors

F. R. (pessoa física)

US

G. T. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

07/11/1989

RPI 977

Republicação - classificação IPC

#15.11

05/02/1989

RPI 967

Deferimento

#9.1

02/28/1989

RPI 958

Exigência - art. 36 da LPI

#6.1

09/20/1988

RPI 935

Solicitação de exame técnico

#4.1

08/19/1986

RPI 826

Notificação de entrada na fase nacional - PCT

#1.3

04/16/1985

RPI 756

Anuidade - prazo legal encerrado

#18.2

05/30/1995

RPI 1278

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