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Official data from INPI

MOTOR DE COMBUSTÃO INTERNA

Arquivada/ExtintaInvention PatentPCT · US1988004604

Application data

Number

PI8807857

Type

Invention Patent

Filing

12/23/1988

Publication

11/13/1990

PCT

US1988004604

Progress at the INPI

  1. Filing12/23/88
  2. Publication11/13/90
  3. Examination09/29/92
  4. Allowance08/17/93
  5. Grant03/29/94
  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

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Inventors

B. B. (pessoa física)

K. K. (pessoa física)

R. W. (pessoa física)

S. S. (pessoa física)

Technical data

IPC Classification

Priority claims

US

261.664 · 10/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/12/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

03/29/1994

RPI 1217

Deferimento

#9.1

08/17/1993

RPI 1185

Solicitação de exame técnico

#4.1

09/29/1992

RPI 1139

Notificação de entrada na fase nacional - PCT

#1.3

11/13/1990

RPI 1041

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