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Official data from INPI

APERFEIÇOAMENTO EM ROLO PARA MÁQUINAS DE PAPEL

Em AnáliseInvention Patent
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Application data

Number

PI8702660

Type

Invention Patent

Filing

05/25/1987

Publication

12/13/1988
View on INPI

Progress at the INPI

  1. Filing05/25/87
  2. Publication12/13/88
  3. Examination10/24/89
  4. Allowance09/13/94
  5. Grant12/26/95
  6. Expired07/29/08

The letters patent expired on 07/29/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

1001 Indústria de Artefatos de Borracha Ltda

SP, BR

Inventors

A. C. (pessoa física)

BR

Technical data

IPC Classification

D21F 1/40

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/24/1989

RPI 992

14.4

01/03/1989

RPI 950

Publicação do pedido de patente

#3.1

12/13/1988

RPI 947

14.4

04/12/1988

RPI 912

Pedido de patente depositado

#2.1

08/04/1987

RPI 876

Carta-patente expirada

#21.1

Patente extinta em 25/05/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

12/26/1995

RPI 1308

15.18

11/28/1995

RPI 1304

Retificação

#15.3

07/04/1995

RPI 1283

Notificação para pagamento de retribuição

#13.1

01/17/1995

RPI 1259

Deferimento

#9.1

09/13/1994

RPI 1241

Exigência - art. 36 da LPI

#6.1

03/29/1994

RPI 1217

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