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Official data from INPI

DISPOSITIVO DE ESCOVA

Em AnáliseInvention Patent

Application data

Number

PI7805827

Type

Invention Patent

Filing

09/08/1977

Publication

-

Progress at the INPI

  1. Filing09/08/77
  2. Publication
  3. Examination
  4. Allowance12/28/82
  5. Grant08/30/83
  6. Expired05/03/94

The letters patent expired on 05/03/1994: 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: 04/16/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MABUCHI MOTOR CO

Inventors

M. T. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

04/16/1985

RPI 756

Pedido de licença voluntária

#17.1

10/16/1984

RPI 730

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/21/1983

RPI 661

9.1.3

03/01/1983

RPI 645

Deferimento

#9.1

12/28/1982

RPI 636

Republicação - classificação IPC

#15.11

09/08/1982

RPI 620

Exigência - art. 36 da LPI

#6.1

06/22/1982

RPI 609

6.2

01/19/1982

RPI 587

Carta-patente expirada

#21.1

05/03/1994

RPI 1222

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