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Official data from INPI

CONJUNTO DE PLACA DE ESCOVAS PARA MAQUINA DINAMOELETRICA,COM COMUTADOR DE EXTREMIDADE PLANA

Em AnáliseInvention Patent

Application data

Number

PI8300156

Type

Invention Patent

Filing

01/12/1982

Publication

10/04/1983

Progress at the INPI

  1. Filing01/12/82
  2. Publication10/04/83
  3. Examination12/27/83
  4. Allowance07/02/85
  5. Grant02/25/86
  6. Terminated10/02/90

The patent was granted on 02/25/1986 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: 03/15/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SINGER BRASIL [BR]

See this company's full portfolio

Inventors

H. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/15/1988

RPI 908

20.7

02/10/1987

RPI 851

14.1

01/21/1987

RPI 848

20.4

01/21/1987

RPI 848

Concessão da patente

#16.1

02/25/1986

RPI 801

Notificação para pagamento de retribuição

#13.1

10/22/1985

RPI 783

Deferimento

#9.1

07/02/1985

RPI 767

Exigência - art. 36 da LPI

#6.1

01/22/1985

RPI 744

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Publicação do pedido de patente

#3.1

10/04/1983

RPI 676

Pedido de patente depositado

#2.1

03/01/1983

RPI 645

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

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