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Official data from INPI

MOINHO AGITADOR MECÂNICO

Arquivada/ExtintaInvention PatentPCT · EP1988000408

Application data

Number

PI8807508

Type

Invention Patent

Filing

05/10/1988

Publication

03/27/1990

PCT

EP1988000408

Progress at the INPI

  1. Filing05/10/88
  2. Publication03/27/90
  3. Examination08/14/90
  4. Allowance03/12/91
  5. Grant10/29/91
  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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Draiswerke GMBH

DE

Inventors

N. S. (pessoa física)

DE

P. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 3716587.9 · 05/18/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 10/05/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/29/1991

RPI 1091

Notificação para pagamento de retribuição

#13.1

06/25/1991

RPI 1073

Deferimento

#9.1

03/12/1991

RPI 1058

Solicitação de exame técnico

#4.1

08/14/1990

RPI 1028

Notificação de entrada na fase nacional - PCT

#1.3

03/27/1990

RPI 1011

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