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Official data from INPI

PAREDE COMPOSITA ISOLANTE TERMICAMENTE E ESTANQUE AOS FLUIDOS,ELEMENTOS PREFABRICADOS PARA A CONSTRUCAO DESTA E PROCESSO DE CONSTRUCAO DA DITA PAREDE

ConcedidaInvention Patent

Application data

Number

PI7802165

Type

Invention Patent

Filing

03/30/1978

Publication

-

Progress at the INPI

  1. Filing03/30/78
  2. Publication
  3. Examination
  4. Allowance09/08/82
  5. Grant03/29/83
  6. Terminated06/29/93

The patent was granted on 03/29/1983 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TECHNIGAZ

Inventors

K. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

09/08/1982

RPI 620

Exigência - art. 36 da LPI

#6.1

12/15/1981

RPI 582

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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