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Official data from INPI

MÉTODO E APARELHO DE MEDIR MAGNITUDE DE BATIDA DE MOTOR DE COMBUSTÃO INTERNA.

Arquivada/ExtintaInvention PatentPCT · US1988004088

Application data

Number

PI8807799

Type

Invention Patent

Filing

11/16/1988

Publication

10/23/1990

PCT

US1988004088

Progress at the INPI

  1. Filing11/16/88
  2. Publication10/23/90
  3. Examination12/24/91
  4. Allowance10/11/94
  5. Grant06/27/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

See this company's full portfolio

Inventors

D. C. (pessoa física)

US

K. K. (pessoa física)

US

S. M. (pessoa física)

US

T. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

245,186 · 09/16/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/11/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

02/21/1995

RPI 1264

Deferimento

#9.1

10/11/1994

RPI 1245

Exigência - art. 36 da LPI

#6.1

04/05/1994

RPI 1218

Solicitação de exame técnico

#4.1

12/24/1991

RPI 1099

Notificação de entrada na fase nacional - PCT

#1.3

10/23/1990

RPI 1038

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