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Official data from INPI

LAMA DE CIMENTO HIDRAULICO,SOLIDO DIMENSIONALMENTE ESTAVEL,PROCESSO PARA CIMENTACAO DE UM CONDUTO EM UM FURO,PROCESSO PARA ENTUPIMENTO DE UM VAZIO EM UMA FORMACAO SUBTERRANEA,E PROCESSO PARA CIMENTACAO DE UM POCO

DeferidaInvention Patent

Application data

Number

PI7907049

Type

Invention Patent

Filing

10/30/1978

Publication

-

Progress at the INPI

  1. Filing10/30/78
  2. Publication
  3. Examination
  4. Allowance09/05/89
  5. Abandoned
  6. In force

The application was allowed on 09/05/1989 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: 09/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO

See this company's full portfolio

Inventors

E. L. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/05/1989

RPI 985

Exigência - art. 36 da LPI

#6.1

03/21/1989

RPI 961

Exigência - art. 36 da LPI

#6.1

08/30/1988

RPI 932

Exigência - art. 36 da LPI

#6.1

08/02/1983

RPI 667

Arquivamento - Art. 38 §2° da LPI

#11.4

06/19/1990

RPI 1023

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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