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Official data from INPI

PROCESSO PARA A PRODUÇÃO DE LAMA DE CAL E APARELHO PARA A EXECUÇÃO DO MESMO

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905827

Type

Invention Patent

Filing

11/17/1989

Publication

06/12/1990

Progress at the INPI

  1. Filing11/17/89
  2. Publication06/12/90
  3. Examination08/20/91
  4. Allowance01/10/95
  5. Grant07/25/95
  6. Expired12/29/09

The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. L. Smidth Comércio e Industria Ltda

SP, BR

F.L. Smidth, S A , Comércio e Indústria

SP, BR

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Inventors

J. T. (pessoa física)

DK

Technical data

IPC Classification

Priority claims

SE

8804160-3 · 11/17/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 17/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

05/30/1995

RPI 1278

Deferimento

#9.1

01/10/1995

RPI 1258

Solicitação de exame técnico

#4.1

08/20/1991

RPI 1081

14.4

05/07/1991

RPI 1066

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

Pedido de patente depositado

#2.1

03/06/1990

RPI 1008

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