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Official data from INPI

CENTRAL DE CONCRETO

Em AnáliseInvention Patent

Application data

Number

PI7806470

Type

Invention Patent

Filing

09/29/1978

Publication

-

Progress at the INPI

  1. Filing09/29/78
  2. Publication
  3. Examination
  4. Allowance02/24/82
  5. Grant04/26/83
  6. Expired05/03/94

The letters patent expired on 05/03/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. O. (pessoa física)

Inventors

F. O. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

07/18/1989

RPI 978

Concessão da patente

#16.1

04/26/1983

RPI 653

110

11/30/1982

RPI 632

Recurso

#12.1

06/15/1982

RPI 608

Deferimento

#9.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

05/03/1994

RPI 1222

20.4

10/20/1992

RPI 1142

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