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Official data from INPI

Escada de fibra de vidro.

ConcedidaUtility Model

Application data

Number

MU6400292

Type

Utility Model

Filing

02/27/1984

Publication

10/01/1985

Progress at the INPI

  1. Filing02/27/84
  2. Publication10/01/85
  3. Examination02/12/86
  4. Allowance07/21/87
  5. Grant12/29/87
  6. Expired10/04/94

The letters patent expired on 10/04/1994: 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ciba-Geigy Química S/A

SP, BR

Inventors

L. G. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Deferimento

#9.1

07/21/1987

RPI 874

Conhecimento de parecer técnico

#7.1

10/21/1986

RPI 835

Solicitação de exame técnico

#4.1

02/12/1986

RPI 799

Publicação do pedido de patente

#3.1

10/01/1985

RPI 780

Pedido de patente depositado

#2.1

05/08/1984

RPI 707

Republicação - classificação IPC

#15.11

01/05/2010

RPI 2035

Carta-patente expirada

#21.1

10/04/1994

RPI 1244

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