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Official data from INPI

SISTEMA DE VEDAÇÃO MAGNÉTICA PARA ROLETES DE TRANSPORTADORES DE CORREIA

ConcedidaInvention Patent
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Application data

Number

PI8205247

Type

Invention Patent

Filing

09/08/1982

Publication

01/24/1984
View on INPI

Progress at the INPI

  1. Filing09/08/82
  2. Publication01/24/84
  3. Examination08/07/84
  4. Allowance05/07/85
  5. Grant10/29/85
  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.

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Latest action published by the INPI: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dresser Indústria e Comércio Ltda

SP, BR

Indresco Jeffrey Indústria e Comércio Ltda.

SP, BR

Jefrey Indústria e Comércio Ltda.

SP, BR

Inventors

L. T. (pessoa física)

BR

Technical data

IPC Classification

B65G 39/09

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

08/27/1985

RPI 775

Deferimento

#9.1

05/07/1985

RPI 759

Solicitação de exame técnico

#4.1

08/07/1984

RPI 720

Solicitação de exame não realizada

#4.2

03/20/1984

RPI 700

Publicação antecipada

#3.2

01/24/1984

RPI 692

Pedido de patente depositado

#2.1

10/26/1982

RPI 627

Carta-patente expirada

#21.1

Patente extinta em 08/09/97

07/01/2008

RPI 1956

20.4

10/17/1995

RPI 1298

20.7

10/10/1995

RPI 1297

20.7

10/03/1995

RPI 1296

Pedido de licença compulsória

#20.1

09/26/1995

RPI 1295

20.5

09/19/1995

RPI 1294

20.7

09/12/1995

RPI 1293

20.7

09/05/1995

RPI 1292

14.6

07/12/1994

RPI 1232

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