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Official data from INPI

PRÉ-FORMA PARA USO EM UM PROCESSO DE MOLDAGEM A SOPRO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905351

Type

Invention Patent

Filing

10/20/1989

Publication

05/22/1990

Progress at the INPI

  1. Filing10/20/89
  2. Publication05/22/90
  3. Examination05/12/92
  4. Allowance01/18/00
  5. Grant07/11/00
  6. Expired12/26/12

The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Devtech, Inc

US

DTL Monofoot Limited Partnership

US

Inventors

M. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

261.551 · 10/21/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 11/07/2010

12/26/2012

RPI 2190

Transferência deferida

#25.1

Transferido de: Devtech, Inc.

08/26/2003

RPI 1703

Concessão da patente

#16.1

07/11/2000

RPI 1540

Deferimento

#9.1

01/18/2000

RPI 1515

Exigência - art. 36 da LPI

#6.1

05/02/1995

RPI 1274

Solicitação de exame técnico

#4.1

05/12/1992

RPI 1119

Publicação do pedido de patente

#3.1

05/22/1990

RPI 1019

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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