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Official data from INPI

APERFEIÇOAMENTO EM MÁQUINA PARA FABRICAÇÃO DE FACAS INDUSTRIAIS PARA CURTUME, DO TIPO HELICOIDAL

Arquivada/ExtintaInvention Patent

Application data

Number

PI9001252

Type

Invention Patent

Filing

03/13/1990

Publication

10/16/1990

Progress at the INPI

  1. Filing03/13/90
  2. Publication10/16/90
  3. Examination03/12/91
  4. Allowance03/07/95
  5. Grant08/29/95
  6. Expired05/11/10

The letters patent expired on 05/11/2010: 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: 05/11/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. U. (pessoa física)

SP, BR

Inventors

R. U. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 13/03/2005

05/11/2010

RPI 2053

Concessão da patente

#16.1

08/29/1995

RPI 1291

Deferimento

#9.1

03/07/1995

RPI 1266

Solicitação de exame técnico

#4.1

03/12/1991

RPI 1058

Publicação antecipada

#3.2

10/16/1990

RPI 1037

Pedido de patente depositado

#2.1

08/14/1990

RPI 1028

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