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Official data from INPI

CONJUNTO DE PISTÃO ARTICULADO PARA MOVIMENTO ALTERNÁVEL EM UM MOTOR DE ALTA PRESSÃO NA CÂMARA DE COMBUSTÃO

Arquivada/ExtintaInvention PatentPCT · US1988004646

Application data

Number

PI8807836

Type

Invention Patent

Filing

12/27/1988

Publication

11/13/1990

PCT

US1988004646

Progress at the INPI

  1. Filing12/27/88
  2. Publication11/13/90
  3. Examination03/30/93
  4. Allowance01/18/94
  5. Grant08/30/94
  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)

US

S. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

261,459 · 10/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 27/12/2003

09/02/2008

RPI 1965

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

03/30/1993

RPI 1165

Notificação de entrada na fase nacional - PCT

#1.3

11/13/1990

RPI 1041

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