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Official data from INPI

MECANISMO PARA LIBERAÇÃO DE FREIO PARA REBOQUE DE VEÍCULO

Em AnáliseInvention Patent

Application data

Number

PI8502893

Type

Invention Patent

Filing

06/17/1985

Publication

02/25/1986

Progress at the INPI

  1. Filing06/17/85
  2. Publication02/25/86
  3. Examination02/02/88
  4. Allowance04/30/91
  5. Grant11/26/91
  6. Terminated09/19/95

The patent was granted on 11/26/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

See this company's full portfolio

Inventors

C. H. (pessoa física)

US

D. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

630.566 · 07/13/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

08/29/1989

RPI 984

Exigência - art. 36 da LPI

#6.1

12/27/1988

RPI 949

Solicitação de exame técnico

#4.1

02/02/1988

RPI 902

Publicação do pedido de patente

#3.1

02/25/1986

RPI 801

Pedido de patente depositado

#2.1

09/03/1985

RPI 776

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

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