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Official data from INPI

SISTEMA DE VEDAÇÃO PARA MANCAIS DE MOENDAS

DeferidaInvention Patent

Application data

Number

PI8504067

Type

Invention Patent

Filing

08/26/1985

Publication

12/24/1985

Progress at the INPI

  1. Filing08/26/85
  2. Publication12/24/85
  3. Examination06/03/86
  4. Allowance10/31/89
  5. Grant05/29/90
  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.

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Latest action published by the INPI: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. Dedini S/A Metalúrgica

SP, BR

See this company's full portfolio

Inventors

P. A. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Exigência - art. 36 da LPI

#6.1

02/21/1989

RPI 957

Solicitação de exame técnico

#4.1

06/03/1986

RPI 815

Publicação antecipada

#3.2

12/24/1985

RPI 792

Pedido de patente depositado

#2.1

10/29/1985

RPI 784

Carta-patente expirada

#21.1

Patente extinta em 26/08/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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