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Official data from INPI

APARELHO DE LIMPEZA DE DENTES.

Em AnáliseInvention Patent

Application data

Number

PI8504214

Type

Invention Patent

Filing

08/30/1985

Publication

07/01/1986

Progress at the INPI

  1. Filing08/30/85
  2. Publication07/01/86
  3. Examination08/11/87
  4. Allowance02/24/93
  5. Grant08/31/93
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 08/11/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. M. (pessoa física)

CH

Inventors

W. M. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

DE

P 34 31 991.3 · 08/31/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

08/11/1987

RPI 877

Publicação do pedido de patente

#3.1

07/01/1986

RPI 819

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Carta-patente expirada

#21.1

Patente extinta em 30/08/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

08/31/1993

RPI 1187

Notificação para pagamento de retribuição

#13.1

06/08/1993

RPI 1175

Deferimento

#9.1

02/24/1993

RPI 1160

Exigência - art. 36 da LPI

#6.1

06/09/1992

RPI 1123

Exigência - art. 36 da LPI

#6.1

11/26/1991

RPI 1095

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