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Official data from INPI

MINA TERRESTRE NAO DETECTAVEL ANTI-CARRO

IndeferidaInvention Patent

Application data

Number

PI8501903

Type

Invention Patent

Filing

04/17/1985

Publication

11/25/1986

Progress at the INPI

Under appeal
  1. Filing04/17/85
  2. Publication11/25/86
  3. Examination02/03/87
  4. Refused02/28/89
  5. Grant
  6. In force

The application was refused by the INPI on 02/28/1989. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BRITANITE IND QUIMICAS LTD [BR]

Inventors

C. H. (pessoa física)

L. A. (pessoa física)

M. C. (pessoa física)

V. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

02/28/1989

RPI 958

Solicitação de exame técnico

#4.1

02/03/1987

RPI 850

Publicação do pedido de patente

#3.1

11/25/1986

RPI 840

Pedido de patente depositado

#2.1

07/02/1985

RPI 767

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