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Official data from INPI

PROCESSO APERFEICOADO PARA FRATURAR FORMACOES SUBTERRANEAS

Em AnáliseInvention Patent
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Application data

Number

PI8205570

Type

Invention Patent

Filing

09/23/1981

Publication

08/30/1983
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Progress at the INPI

  1. Filing09/23/81
  2. Publication08/30/83
  3. Examination11/12/85
  4. Allowance07/25/89
  5. Abandoned
  6. In force

The application was allowed on 07/25/1989 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

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Inventors

H. G. (pessoa física)

Technical data

IPC Classification

C09K 7/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

11/21/1989

RPI 996

Deferimento

#9.1

07/25/1989

RPI 979

Exigência - art. 36 da LPI

#6.1

01/31/1989

RPI 954

Exigência - art. 36 da LPI

#6.1

03/29/1988

RPI 910

6.2

01/13/1987

RPI 847

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação do pedido de patente

#3.1

08/30/1983

RPI 671

Pedido de patente depositado

#2.1

11/16/1982

RPI 630

Republicação - classificação IPC

#15.11

02/26/1991

RPI 1056

Arquivamento - Art. 38 §2° da LPI

#11.4

06/19/1990

RPI 1023

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