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Official data from INPI

PROCESSO PARA A FORMAÇÃO DE ROLOS A PARTIR DE TIRAS DE MATERIAIS COMPRESSÍVEIS, E, ROLO DE FELTRO À BASE DE FIBRAS MINERAIS

PublicadaInvention Patent

Application data

Number

PI8802656

Type

Invention Patent

Filing

06/01/1988

Publication

12/27/1988

Progress at the INPI

  1. Filing06/01/88
  2. Publication12/27/88
  3. Examination03/12/91
  4. Allowance04/27/93
  5. Grant10/26/93
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. S. (pessoa física)

FR

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Inventors

G. T. (pessoa física)

FR

Y. A. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

87.07731 · 06/03/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/27/1988

RPI 949

Pedido de patente depositado

#2.1

10/25/1988

RPI 940

Carta-patente expirada

#21.1

Patente extinta em 01/06/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/26/1993

RPI 1195

Notificação para pagamento de retribuição

#13.1

08/24/1993

RPI 1186

Deferimento

#9.1

04/27/1993

RPI 1169

Exigência - art. 36 da LPI

#6.1

08/18/1992

RPI 1133

Solicitação de exame técnico

#4.1

03/12/1991

RPI 1058

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