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Official data from INPI

APARELHO DE FIXAÇÃO RESILIENTE.

Arquivada/ExtintaInvention PatentPCT · US1987001861

Application data

Number

PI8707982

Type

Invention Patent

Filing

08/03/1987

Publication

04/17/1990

PCT

US1987001861

Progress at the INPI

  1. Filing08/03/87
  2. Publication04/17/90
  3. Examination11/27/90
  4. Allowance02/11/92
  5. Grant11/24/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/29/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

See this company's full portfolio

Inventors

J. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

055,825 · 05/29/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 03/08/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

06/30/1992

RPI 1126

Deferimento

#9.1

02/11/1992

RPI 1106

Solicitação de exame técnico

#4.1

11/27/1990

RPI 1043

Notificação de entrada na fase nacional - PCT

#1.3

04/17/1990

RPI 1014

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