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Official data from INPI

DISPOSITIVO ESPALHADOR

PublicadaInvention Patent
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Application data

Number

PI8600870

Type

Invention Patent

Filing

02/20/1986

Publication

09/08/1987
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Progress at the INPI

  1. Filing02/20/86
  2. Publication09/08/87
  3. Examination01/16/90
  4. Allowance12/07/93
  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.

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Latest action published by the INPI: 09/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

J. M. Voith GmbH

DE

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Inventors

F. (. (pessoa física)

DE

Technical data

IPC Classification

B05C 11/04B05C 5/02

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/08/1987

RPI 881

Pedido de patente depositado

#2.1

08/12/1986

RPI 825

Carta-patente expirada

#21.1

Patente extinta em 20/02/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

04/26/1994

RPI 1221

Deferimento

#9.1

12/07/1993

RPI 1201

15.15

03/02/1993

RPI 1161

15.15

01/12/1993

RPI 1154

15.8

06/23/1992

RPI 1125

Exigência - art. 36 da LPI

#6.1

10/29/1991

RPI 1091

15.9

01/16/1990

RPI 1002

Solicitação de exame técnico

#4.1

01/16/1990

RPI 1002

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