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Official data from INPI

TRITURADOR DE CILINDROS

PublicadaInvention Patent

Application data

Number

PI8800936

Type

Invention Patent

Filing

03/04/1988

Publication

10/11/1988

Progress at the INPI

  1. Filing03/04/88
  2. Publication10/11/88
  3. Examination10/09/90
  4. Allowance04/23/91
  5. Grant03/31/92
  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: 10/11/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Krupp Polysius AG

DE

Polysius AG

DE

See this company's full portfolio

Inventors

H. B. (pessoa física)

DE

N. S. (pessoa física)

DE

O. H. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 37 07 015.0 · 03/05/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/11/1988

RPI 938

Pedido de patente depositado

#2.1

05/31/1988

RPI 919

Carta-patente expirada

#21.1

Patente extinta em 04/03/2003

09/02/2008

RPI 1965

Alteração de nome deferida

#25.4

Alterado de: Krupp Polysius AG.

07/15/2003

RPI 1697

Concessão da patente

#16.1

03/31/1992

RPI 1113

Notificação para pagamento de retribuição

#13.1

08/06/1991

RPI 1079

Deferimento

#9.1

04/23/1991

RPI 1064

Solicitação de exame técnico

#4.1

10/09/1990

RPI 1036

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