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Official data from INPI

MECANISMO DE ESCOVA POSSUINDO ESCOVAS.

ConcedidaInvention Patent

Application data

Number

PI8304680

Type

Invention Patent

Filing

08/29/1983

Publication

04/10/1984

Progress at the INPI

  1. Filing08/29/83
  2. Publication04/10/84
  3. Examination07/10/84
  4. Allowance04/09/85
  5. Grant10/01/85
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 10/01/1985. 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

E. B. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Priority claims

JP

130936/82 · 08/30/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Pedido de certificado de adição de invenção

#5.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação do pedido de patente

#3.1

04/10/1984

RPI 703

Pedido de patente depositado

#2.1

11/01/1983

RPI 680

Carta-patente expirada

#21.1

Patente extinta em 29/08/98

07/01/2008

RPI 1956

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