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Official data from INPI

CORREIA DE TRANSMISSÃO

Prazo de SigiloInvention Patent

Application data

Number

PI8903127

Type

Invention Patent

Filing

06/16/1989

Publication

02/06/1990

Progress at the INPI

  1. Filing06/16/89
  2. Publication02/06/90
  3. Examination10/29/91
  4. Allowance11/03/92
  5. Grant05/25/93
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pirelli Transmissioni Industriali SpA

IT

Inventors

D. A. (pessoa física)

IT

T. G. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

20987 A/88 · 06/16/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

08/22/1989

RPI 983

Carta-patente expirada

#21.1

Patente extinta em 16/06/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

05/25/1993

RPI 1173

Deferimento

#9.1

11/03/1992

RPI 1144

Solicitação de exame técnico

#4.1

10/29/1991

RPI 1091

Publicação do pedido de patente

#3.1

02/06/1990

RPI 1005

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