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Official data from INPI

FORMA PARA CONCRETO ARMADO OU NÃO.

Em AnáliseInvention Patent

Application data

Number

PI8100843

Type

Invention Patent

Filing

02/12/1981

Publication

10/13/1982

Progress at the INPI

  1. Filing02/12/81
  2. Publication10/13/82
  3. Examination07/31/84
  4. Allowance10/22/85
  5. Grant06/24/86
  6. Invalidated04/19/88

The patent was invalidated by the INPI in an administrative invalidity proceeding. Protection no longer exists.

Talk to a specialist

Latest action published by the INPI: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Buzolin Construtora Ltda

Inventors

B. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

200

04/19/1988

RPI 913

Pedido de licença voluntária

#17.1

08/11/1987

RPI 877

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/15/1986

RPI 808

Deferimento

#9.1

10/22/1985

RPI 783

8.1

04/23/1985

RPI 757

Solicitação de exame técnico

#4.1

07/31/1984

RPI 719

Publicação do pedido de patente

#3.1

10/13/1982

RPI 625

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