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Official data from INPI

CILINDRO ESTIRADOR EM LARGURA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9000468

Type

Invention Patent

Filing

02/02/1990

Publication

01/15/1991

Progress at the INPI

  1. Filing02/02/90
  2. Publication01/15/91
  3. Examination06/08/93
  4. Allowance03/22/94
  5. Grant12/27/94
  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

H. S. (pessoa física)

DE

Inventors

H. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 39 03 161.6 · 02/03/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 02/02/2005

05/11/2010

RPI 2053

Concessão da patente

#16.1

12/27/1994

RPI 1256

Notificação para pagamento de retribuição

#13.1

08/02/1994

RPI 1235

Deferimento

#9.1

03/22/1994

RPI 1216

Solicitação de exame técnico

#4.1

06/08/1993

RPI 1175

Publicação do pedido de patente

#3.1

01/15/1991

RPI 1050

Pedido de patente depositado

#2.1

05/22/1990

RPI 1019

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