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Official data from INPI

SILICATO EM PÓ RAPIDAMENTE DISSOLÚVEL, SILICATO EM PÓ HIDRATADO SULUÇÃO DE SILICATO, MÉTODO DE PREPARAÇÃO DE UMA FORMAÇÃO DE TERRA, MÉTODO DE PREPARAÇÃO DE UM ASOLUÇÃO DE SILICATO E MÉTODO DE VEDAÇÃO

ArquivadaInvention Patent

Application data

Number

PI8202896

Type

Invention Patent

Filing

05/19/1982

Publication

05/03/1983

Progress at the INPI

  1. Filing05/19/82
  2. Publication05/03/83
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 05/19/1982 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/05/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Halliburton Company

US

See this company's full portfolio

Inventors

J. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

265.821 · 05/21/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

11/05/1985

RPI 785

Publicação do pedido de patente

#3.1

05/03/1983

RPI 654

Pedido de patente depositado

#2.1

07/06/1982

RPI 611

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