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Official data from INPI

CONJUNTO DE PISTÃO ARTICULADO E CONJUNTO DE PISTÃO ARTICULADO PARA UM MOTOR

Arquivada/ExtintaInvention PatentPCT · US1989000714

Application data

Number

PI8907412

Type

Invention Patent

Filing

02/23/1989

Publication

05/07/1991

PCT

US1989000714

Progress at the INPI

  1. Filing02/23/89
  2. Publication05/07/91
  3. Examination06/30/92
  4. Allowance01/18/94
  5. Grant08/30/94
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

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Inventors

B. C. (pessoa física)

US

D. N. (pessoa física)

US

J. G. (pessoa física)

US

K. E. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

261.663 · 10/21/1988

US

291.429 · 12/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 23/02/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

Solicitação de exame técnico

#4.1

06/30/1992

RPI 1126

Notificação de entrada na fase nacional - PCT

#1.3

05/07/1991

RPI 1066

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