(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

Aperfeiçoamentos em sistema de comunicação telefônica, do tipo KS, de grande porte.

Em AnáliseInvention Patent
Talk to an expert

Application data

Number

PI8105785

Type

Invention Patent

Filing

09/10/1981

Publication

04/19/1983
View on INPI

Progress at the INPI

  1. Filing09/10/81
  2. Publication04/19/83
  3. Examination08/16/83
  4. Allowance
  5. Grant
  6. In force

Published on 04/19/1983, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

Leave your contact and we will alert you

We track INPI publications and let you know as soon as this case moves.

We use your details only for this alert.

Latest action published by the INPI: 06/09/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ericsson do Brasil Comércio e Indústria S/A

SP, BR

See this company's full portfolio

Inventors

N. A. (pessoa física)

Technical data

IPC Classification

H04M 3/30

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

06/09/1987

RPI 868

Petição de recurso

#12.2

11/27/1984

RPI 736

Indeferimento

#9.2

08/14/1984

RPI 721

Solicitação de exame técnico

#4.1

08/16/1983

RPI 669

Publicação do pedido de patente

#3.1

04/19/1983

RPI 652

Pedido de patente depositado

#2.1

10/27/1981

RPI 575

14.8

07/16/1991

RPI 1076

14.8

03/01/1990

RPI 1007

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.