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Official data from INPI

APERFEICOAMENTO EM TIJOLO PARA CONSTRUCAO E APERFEICOAMENTO EM SISTEMA DE TIJOLOS DE CONSTRUCAO

Em AnáliseInvention Patent

Application data

Number

PI7703899

Type

Invention Patent

Filing

06/15/1977

Publication

-

Progress at the INPI

  1. Filing06/15/77
  2. Publication
  3. Examination
  4. Allowance06/22/82
  5. Grant
  6. Terminated07/12/88

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

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Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. C. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Notificação para pagamento de retribuição

#13.1

10/05/1982

RPI 624

Deferimento

#9.1

06/22/1982

RPI 609

Exigência - art. 36 da LPI

#6.1

12/08/1981

RPI 581

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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