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Official data from INPI

APARELHO E MÉTODO PARA MEDIR DINAMICAMENTE E INDICAR CARGA ÚTIL PARA UM VEÍCULO

Arquivada/ExtintaInvention PatentPCT · US1989001972

Application data

Number

PI8907880

Type

Invention Patent

Filing

05/09/1989

Publication

10/22/1991

PCT

US1989001972

Progress at the INPI

  1. Filing05/09/89
  2. Publication10/22/91
  3. Examination03/16/93
  4. Allowance05/23/95
  5. Grant01/30/96
  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

See this company's full portfolio

Inventors

C. K. (pessoa física)

US

D. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

7/324,517 · 03/15/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 09/05/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

01/30/1996

RPI 1313

Notificação para pagamento de retribuição

#13.1

10/03/1995

RPI 1296

Deferimento

#9.1

05/23/1995

RPI 1277

Exigência - art. 36 da LPI

#6.1

11/22/1994

RPI 1251

Exigência - art. 36 da LPI

#6.1

06/14/1994

RPI 1228

Solicitação de exame técnico

#4.1

03/16/1993

RPI 1163

Notificação de entrada na fase nacional - PCT

#1.3

10/22/1991

RPI 1090

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