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Official data from INPI

CONJUNTO DE CABO RETORCIDO E PROCESSO DE FABRICAÇÃO DO MESMO

ConcedidaInvention Patent

Application data

Number

PI8500375

Type

Invention Patent

Filing

01/28/1985

Publication

09/10/1985

Progress at the INPI

  1. Filing01/28/85
  2. Publication09/10/85
  3. Examination10/20/87
  4. Allowance05/30/89
  5. Grant11/28/89
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Acco Babcock Inc.

US

Inventors

W. G. (pessoa física)

Technical data

IPC Classification

Priority claims

US

574.687 · 01/27/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/26/1989

RPI 988

Deferimento

#9.1

05/30/1989

RPI 971

Exigência - art. 36 da LPI

#6.1

11/29/1988

RPI 945

Solicitação de exame técnico

#4.1

10/20/1987

RPI 887

Publicação do pedido de patente

#3.1

09/10/1985

RPI 777

Pedido de patente depositado

#2.1

04/23/1985

RPI 757

Carta-patente expirada

#21.1

Patente extinta em 28/01/2000

07/15/2008

RPI 1958

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

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