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Official data from INPI

MELHORAMENTOS EM OU RELATIVOS A BLOCO TERMINAL PARA APARELHOS TELEFÔNICOS.

Em AnáliseUtility Model

Application data

Number

MU6001813

Type

Utility Model

Filing

03/19/1980

Publication

-

Progress at the INPI

  1. Filing03/19/80
  2. Publication
  3. Examination
  4. Allowance07/09/85
  5. Grant03/25/86
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 08/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Telecomunicações Brasileiras S/A-Telebrás

SP, BR

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

18.8

08/02/1988

RPI 928

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

15.20

06/11/1985

RPI 764

15.10

02/26/1985

RPI 749

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

Conhecimento de parecer técnico

#7.1

04/24/1984

RPI 705

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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