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Official data from INPI

FERRO SEM FIO

Em AnáliseInvention Patent

Application data

Number

PI8603039

Type

Invention Patent

Filing

06/30/1986

Publication

02/17/1987

Progress at the INPI

Under appeal
  1. Filing06/30/86
  2. Publication02/17/87
  3. Examination04/14/87
  4. Refused11/12/91
  5. Grant
  6. In force

The application was refused by the INPI on 11/12/1991. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 04/14/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dart Industries Inc

US

See this company's full portfolio

Inventors

C. S. (pessoa física)

US

W. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

750.958 · 07/02/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

04/14/1987

RPI 860

Publicação do pedido de patente

#3.1

02/17/1987

RPI 852

Pedido de patente depositado

#2.1

12/16/1986

RPI 843

Indeferimento

#9.2

11/12/1991

RPI 1093

6.2

01/02/1990

RPI 1000

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