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Official data from INPI

TELEFONE PARA SURDOS E MUDOS-TSM.

Prazo de SigiloInvention Patent

Application data

Number

PI8803036

Type

Invention Patent

Filing

06/17/1988

Publication

02/01/1990

Progress at the INPI

  1. Filing06/17/88
  2. Publication02/01/90
  3. Examination10/02/90
  4. Allowance11/23/93
  5. Abandoned
  6. In force

The application was allowed on 11/23/1993 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telecomunicações de Minas Gerais S/A - TELEMIG

MG, BR

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Inventors

C. M. (pessoa física)

BR

M. A. (pessoa física)

BR

S. Y. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/16/1988

RPI 943

Arquivamento - Art. 38 §2° da LPI

#11.4

10/18/1994

RPI 1246

Notificação para pagamento de retribuição

#13.1

04/12/1994

RPI 1219

Deferimento

#9.1

11/23/1993

RPI 1199

Solicitação de exame técnico

#4.1

10/02/1990

RPI 1035

Publicação do pedido de patente

#3.1

02/01/1990

RPI 1004

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