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Official data from INPI

DISPOSICAO CONSTRUTIVA EM FIXACAO DE TELEFONE DE PAREDE

ConcedidaUtility Model
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Application data

Number

MU6500428

Type

Utility Model

Filing

04/09/1985

Publication

11/18/1986
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Progress at the INPI

  1. Filing04/09/85
  2. Publication11/18/86
  3. Examination08/18/87
  4. Allowance04/12/88
  5. Grant10/25/88
  6. Expired06/06/95

The letters patent expired on 06/06/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GRADIENTE ELETRONICA S A [BR]

Inventors

A. M. (pessoa física)

Technical data

IPC Classification

H04M 1/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

07/26/1988

RPI 927

Deferimento

#9.1

04/12/1988

RPI 912

Solicitação de exame técnico

#4.1

08/18/1987

RPI 878

Publicação do pedido de patente

#3.1

11/18/1986

RPI 839

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

Carta-patente expirada

#21.1

06/06/1995

RPI 1279

20.7

12/31/1991

RPI 1100

20.7

12/17/1991

RPI 1098

20.4

12/10/1991

RPI 1097

Pedido de licença compulsória

#20.1

12/03/1991

RPI 1096

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