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Official data from INPI

BLOCO DE CONSTRUCAO LEVE E ESTRUTURA DE PAREDE FORMADA COM O MESMO

Em AnáliseInvention Patent

Application data

Number

PI7807660

Type

Invention Patent

Filing

11/22/1978

Publication

-

Progress at the INPI

  1. Filing11/22/78
  2. Publication
  3. Examination06/22/82
  4. Allowance09/20/83
  5. Grant03/27/84
  6. Terminated05/17/88

The patent was granted on 03/27/1984 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INSULOCK CORP

Inventors

H. G. (pessoa física)

I. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/03/1984

RPI 689

Deferimento

#9.1

09/20/1983

RPI 674

Exigência - art. 36 da LPI

#6.1

01/11/1983

RPI 638

Solicitação de exame técnico

#4.1

06/22/1982

RPI 609

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era E04C 1/10.

03/27/2018

RPI 2464

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