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Official data from INPI

CONSTRUÇÃO APERFEIÇOADA COMPÓSITA DE ARMAÇÃO DE AÇO E PISO DE CONCRETO

Em AnáliseInvention Patent

Application data

Number

PI8400412

Type

Invention Patent

Filing

01/31/1984

Publication

09/03/1985

Progress at the INPI

Awaiting grant fee payment
  1. Filing01/31/84
  2. Publication09/03/85
  3. Examination03/01/88
  4. Allowance01/03/89
  5. Grant
  6. In force

The application was allowed by the INPI on 01/03/1989. The grant of the letters patent is being processed.

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Latest action published by the INPI: 12/12/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Steel Research, Inc.

US

Inventors

B. T. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

12/12/1989

RPI 999

Notificação para pagamento de retribuição

#13.1

05/16/1989

RPI 969

Deferimento

#9.1

01/03/1989

RPI 950

Solicitação de exame técnico

#4.1

03/01/1988

RPI 906

Retificação

#15.6

11/17/1987

RPI 891

Retificação

#15.3

10/13/1987

RPI 886

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

04/17/1984

RPI 704

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: E04B 5/23; E04B 5/52.

03/27/2018

RPI 2464

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