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Official data from INPI

PORCA, ESPECIALMENTE PORCA DE RODA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9301562

Type

Invention Patent

Filing

04/16/1993

Publication

10/26/1993

Progress at the INPI

  1. Filing04/16/93
  2. Publication10/26/93
  3. Examination03/05/96
  4. Allowance01/19/99
  5. Grant10/19/99
  6. Expired07/09/13

The letters patent expired on 07/09/2013: 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: 07/09/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Erich Neumayer Gmbh & Co. Kg

DE

Neumayer Tekfor GmbH

DE

Inventors

E. B. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 42 12 961.3 · 04/18/1992

DE

P 42 12 962.1 · 04/18/1992

DE

P 42 12 964.8 · 04/18/1992

Abstract

A invenção se refere a uma porca fabricada pelo processo de deformação maciça, como extrusão a frio ou a quente.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 16/04/2013

07/09/2013

RPI 2218

Transferência deferida

#25.1

Transferido de: Erich Neumayer GmbH & Co. KG

08/17/2010

RPI 2067

Concessão da patente

#16.1

10/19/1999

RPI 1502

Deferimento

#9.1

01/19/1999

RPI 1463

Solicitação de exame técnico

#4.1

03/05/1996

RPI 1318

Publicação do pedido de patente

#3.1

10/26/1993

RPI 1195

Pedido de patente depositado

#2.1

05/18/1993

RPI 1172

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