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Official data from INPI

ENGRENAGEM DE ESCOVA PARA MOTORES EM MINIATURA

Em AnáliseInvention Patent

Application data

Number

PI8601033

Type

Invention Patent

Filing

03/11/1986

Publication

11/25/1986

Progress at the INPI

  1. Filing03/11/86
  2. Publication11/25/86
  3. Examination03/04/87
  4. Allowance06/18/91
  5. Grant12/31/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 03/04/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Mabuchi Motor Co., Ltd.

JP

See this company's full portfolio

Inventors

T. M. (pessoa física)

JP

Technical data

IPC Classification

Priority claims

JP

48744/85 · 03/12/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

03/04/1987

RPI 854

Publicação do pedido de patente

#3.1

11/25/1986

RPI 840

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Carta-patente expirada

#21.1

Patente extinta em 11/03/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

12/31/1991

RPI 1100

Notificação para pagamento de retribuição

#13.1

10/15/1991

RPI 1089

Deferimento

#9.1

06/18/1991

RPI 1072

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