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Official data from INPI

COMPOSIÇÃO LIGANTE E DE MOLDAGEM BEM COMO PROCESSOS PARA A FABRICAÇÃO DE ARTIGOS MOLDADOS E DE FUNDIÇÃO DE UM METAL USANDO A MESMA.

ArquivadaInvention Patent

Application data

Number

PI8105015

Type

Invention Patent

Filing

08/04/1981

Publication

04/20/1982

Progress at the INPI

  1. Filing08/04/81
  2. Publication04/20/82
  3. Examination09/27/83
  4. Allowance01/03/89
  5. Abandoned
  6. In force

The application was allowed on 01/03/1989 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

Talk to a specialist

Latest action published by the INPI: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ashland Oil, Inc

US

See this company's full portfolio

Inventors

D. W. (pessoa física)

G. B. (pessoa física)

L. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

174.970 · 08/04/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

12/12/1989

RPI 999

Notificação para pagamento de retribuição

#13.1

05/16/1989

RPI 969

Deferimento

#9.1

01/03/1989

RPI 950

Exigência - art. 36 da LPI

#6.1

06/21/1988

RPI 922

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Publicação do pedido de patente

#3.1

04/20/1982

RPI 600

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