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Official data from INPI

COMPOSIÇÃO, E, PROCESSO PARA A SUPRESSÃO DE PÓ

Arquivada/ExtintaInvention Patent

Application data

Number

PI9402685

Type

Invention Patent

Filing

07/12/1994

Publication

05/02/1995

Progress at the INPI

  1. Filing07/12/94
  2. Publication05/02/95
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned for failure to pay the annuities (art. 86 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/14/2002. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Castrol Limited

GB

See this company's full portfolio

Inventors

M. W. (pessoa física)

AU

Technical data

IPC Classification

Priority claims

AU

PL 9940/93 · 07/14/1993

Abstract

Uma composição para supressão de pó compreende um umectante ou um derivado dele, água e opcionalmente outros aditivos.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento por falta de pagamento

#8.6

Referente à 3ª, 4ª, 5ª, 6ª, 7ª, 8ª anuidades.

05/14/2002

RPI 1636

Publicação do pedido de patente

#3.1

05/02/1995

RPI 1274

Pedido de patente depositado

#2.1

09/20/1994

RPI 1242

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