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Official data from INPI

TENSOR DE CORREIA

PublicadaInvention Patent

Application data

Number

PI8804372

Type

Invention Patent

Filing

08/26/1988

Publication

03/21/1989

Progress at the INPI

  1. Filing08/26/88
  2. Publication03/21/89
  3. Examination07/09/91
  4. Allowance11/03/92
  5. Grant05/25/93
  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: 03/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Litens Automotive Inc

CA

Ontario Inc

CA

Tesma Holdings Inc

CA

Inventors

K. B. (pessoa física)

CA

Technical data

IPC Classification

Priority claims

US

094.864 · 09/10/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/21/1989

RPI 961

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Carta-patente expirada

#21.1

Patente extinta em 26/08/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

05/25/1993

RPI 1173

Deferimento

#9.1

11/03/1992

RPI 1144

Solicitação de exame técnico

#4.1

07/09/1991

RPI 1075

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