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Official data from INPI

CIRCUITO ACIONADOR DE SOLENOIDE PARA INJEÇÃO DE COMBUSTÍVEL

Em AnáliseInvention PatentPCT · US1985001929

Application data

Number

PI8507247

Type

Invention Patent

Filing

10/03/1985

Publication

10/27/1987

PCT

US1985001929

Progress at the INPI

  1. Filing10/03/85
  2. Publication10/27/87
  3. Examination01/24/89
  4. Allowance01/28/92
  5. Grant11/24/92
  6. Expired07/15/08

The letters patent expired on 07/15/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 01/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

See this company's full portfolio

Inventors

M. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

755.385 · 07/16/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/24/1989

RPI 953

Notificação de entrada na fase nacional - PCT

#1.3

10/27/1987

RPI 888

Carta-patente expirada

#21.1

Patente extinta em 03/10/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

06/09/1992

RPI 1123

Deferimento

#9.1

01/28/1992

RPI 1104

Exigência - art. 36 da LPI

#6.1

06/11/1991

RPI 1071

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