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Official data from INPI

PROCESSO PARA DESIDRATAR UMA SUSPENSÃO AUOSA DE ARGILA

Em AnáliseInvention Patent

Application data

Number

PI8602779

Type

Invention Patent

Filing

06/13/1986

Publication

02/10/1987

Progress at the INPI

  1. Filing06/13/86
  2. Publication02/10/87
  3. Examination05/16/89
  4. Allowance11/05/91
  5. Abandoned
  6. In force

The application was allowed on 11/05/1991 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: 05/16/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DOW CHEMICAL CO [US]

See this company's full portfolio

Inventors

J. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

744.831 · 06/14/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/16/1989

RPI 969

Publicação do pedido de patente

#3.1

02/10/1987

RPI 851

Pedido de patente depositado

#2.1

12/16/1986

RPI 843

Arquivamento - Art. 38 §2° da LPI

#11.4

10/06/1992

RPI 1140

Republicação - classificação IPC

#15.11

04/07/1992

RPI 1114

Notificação para pagamento de retribuição

#13.1

03/17/1992

RPI 1111

Deferimento

#9.1

11/05/1991

RPI 1092

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