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Official data from INPI

PROCESSO PARA FORMAR UMA MASSA DE ENCHIMENTO COMPOSTA DE CAMADAS MULTIPLAS DE METAL EXPANDIDO;MASSA DE ENCHIMENTO ANTI-EXPLOSIVA;E RECIPIENTE PARA LIQUIDOS

ConcedidaInvention Patent

Application data

Number

PI7704908

Type

Invention Patent

Filing

07/28/1976

Publication

-

Progress at the INPI

  1. Filing07/28/76
  2. Publication
  3. Examination
  4. Allowance09/28/82
  5. Grant11/29/83
  6. Terminated08/28/90

The patent was granted on 11/29/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EXPLOSAFE SA

Inventors

S. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/29/1983

RPI 684

110

08/16/1983

RPI 669

Recurso

#12.1

02/08/1983

RPI 642

Deferimento

#9.1

09/28/1982

RPI 623

15.0

01/12/1982

RPI 586

Exigência - art. 36 da LPI

#6.1

12/15/1981

RPI 582

Anuidade - prazo legal encerrado

#18.2

08/28/1990

RPI 1030

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