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Official data from INPI

MOINHO DE ESFERAS COM MECANISMO MISTURADOR

Arquivada/ExtintaInvention Patent

Application data

Number

PI8905846

Type

Invention Patent

Filing

11/10/1989

Publication

06/12/1990

Progress at the INPI

  1. Filing11/10/89
  2. Publication06/12/90
  3. Examination10/16/90
  4. Allowance09/15/92
  5. Grant04/27/93
  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

H. E. (pessoa física)

DE

P. E. (pessoa física)

DE

W. E. (pessoa física)

DE

Inventors

H. D. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 3838981.9 · 11/18/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 10/11/2004

12/29/2009

RPI 2034

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

02/02/1993

RPI 1157

Deferimento

#9.1

09/15/1992

RPI 1137

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

Publicação do pedido de patente

#3.1

06/12/1990

RPI 1022

Pedido de patente depositado

#2.1

03/20/1990

RPI 1010

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