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Official data from INPI

DISPOSITIVO DE SEGURANÇA DE SEGUNDO ESCALÃO PARA CENTELHADORES

Em AnáliseInvention Patent

Application data

Number

PI8502934

Type

Invention Patent

Filing

06/19/1985

Publication

01/27/1987

Progress at the INPI

  1. Filing06/19/85
  2. Publication01/27/87
  3. Examination03/24/87
  4. Allowance01/08/91
  5. Grant08/27/91
  6. Terminated09/19/95

The patent was granted on 08/27/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Elma Telecomunicações S/A

RJ, BR

Inventors

A. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/24/1987

RPI 857

Republicação - classificação IPC

#15.11

03/17/1987

RPI 856

Publicação do pedido de patente

#3.1

01/27/1987

RPI 849

Pedido de patente depositado

#2.1

09/03/1985

RPI 776

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

04/23/1991

RPI 1064

Deferimento

#9.1

01/08/1991

RPI 1049

Exigência - art. 36 da LPI

#6.1

08/21/1990

RPI 1029

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