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Official data from INPI

CILINDRO DE PAPEL PARA CALANDRAS OU CALANDRAS GOFRADORAS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9100883

Type

Invention Patent

Filing

03/05/1991

Publication

11/05/1991

Progress at the INPI

  1. Filing03/05/91
  2. Publication11/05/91
  3. Examination01/25/94
  4. Allowance11/09/99
  5. Grant05/16/00
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

David Bentley Limited

GB

Inventors

T. H. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

9005072.5 · 03/07/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 05/03/2011

05/28/2013

RPI 2212

Concessão da patente

#16.1

05/16/2000

RPI 1532

Deferimento

#9.1

11/09/1999

RPI 1505

Exigência - art. 36 da LPI

#6.1

02/17/1999

RPI 1467

Solicitação de exame técnico

#4.1

01/25/1994

RPI 1208

Publicação do pedido de patente

#3.1

11/05/1991

RPI 1092

Pedido de patente depositado

#2.1

09/03/1991

RPI 1083

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