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Official data from INPI

PROCESSO DE DISPERSÃO E MOINHO MISTURADOR PARA SUA CONCRETIZAÇÃO

DeferidaInvention Patent

Application data

Number

PI8507233

Type

Invention Patent

Filing

10/09/1985

Publication

10/27/1987

Progress at the INPI

  1. Filing10/09/85
  2. Publication10/27/87
  3. Examination03/01/88
  4. Allowance10/31/89
  5. Grant06/26/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Basf Lacke + Farben Aktiengesellschaft

DE

See this company's full portfolio

Inventors

F. V. (pessoa física)

DE

G. K. (pessoa física)

DE

K. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 34 37 866.9 · 10/16/1984

DE

PCT/EP85/00526 · 10/09/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

10/31/1989

RPI 993

Exigência - art. 36 da LPI

#6.1

05/09/1989

RPI 968

Solicitação de exame técnico

#4.1

03/01/1988

RPI 906

Notificação de entrada na fase nacional - PCT

#1.3

10/27/1987

RPI 888

Carta-patente expirada

#21.1

Patente extinta em 09/10/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/06/1990

RPI 1008

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