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Official data from INPI

MEMBRO DE PROPULSÃO PARA TRANSPORTADORA E APOIO FLEXÍVEL PARA O ENGATE COM UMA CADEIA DE PROPULSÃO PARA UMA TRANPORTADORA

ConcedidaInvention Patent

Application data

Number

PI8203779

Type

Invention Patent

Filing

06/28/1982

Publication

06/21/1983

Progress at the INPI

  1. Filing06/28/82
  2. Publication06/21/83
  3. Examination04/16/85
  4. Allowance09/30/86
  5. Grant06/30/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 06/30/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Lear Siegler, Inc.

US

Inventors

G. B. (pessoa física)

US

O. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

278,630 · 06/29/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/30/1987

RPI 871

Deferimento

#9.1

09/30/1986

RPI 832

8.1

07/22/1986

RPI 822

Exigência - art. 36 da LPI

#6.1

12/03/1985

RPI 789

Solicitação de exame técnico

#4.1

04/16/1985

RPI 756

Publicação do pedido de patente

#3.1

06/21/1983

RPI 661

Pedido de patente depositado

#2.1

08/10/1982

RPI 616

Carta-patente expirada

#21.1

Patente extinta em 28/06/97

07/01/2008

RPI 1956

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