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Official data from INPI

ROLO DE PEDRA PARA MÁQUINAS DE FABRICAR PAPEL OU CARTÃO

Em AnáliseInvention Patent

Application data

Number

PI8601601

Type

Invention Patent

Filing

03/31/1986

Publication

12/09/1986

Progress at the INPI

  1. Filing03/31/86
  2. Publication12/09/86
  3. Examination02/08/89
  4. Allowance11/30/93
  5. Grant08/30/94
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 02/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. M. Voith GmbH

DE

See this company's full portfolio

Inventors

E. M. (pessoa física)

DE

H. R. (pessoa física)

DE

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/08/1989

RPI 955

Publicação do pedido de patente

#3.1

12/09/1986

RPI 842

Pedido de patente depositado

#2.1

10/29/1986

RPI 836

Carta-patente expirada

#21.1

Patente extinta em 31/03/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

04/19/1994

RPI 1220

Deferimento

#9.1

11/30/1993

RPI 1200

15.9

06/29/1993

RPI 1178

15.15

02/24/1993

RPI 1160

15.9

02/24/1993

RPI 1160

Exigência - art. 36 da LPI

#6.1

10/01/1991

RPI 1087

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