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Official data from INPI

PROCESSO DE OBTENÇÃO DE CONCRETO FLUÍDO OU AUTO-ADENSÁVEL

Em AnáliseInvention Patent

Application data

Number

PI8202404

Type

Invention Patent

Filing

04/27/1982

Publication

11/29/1983

Progress at the INPI

  1. Filing04/27/82
  2. Publication11/29/83
  3. Examination02/28/84
  4. Allowance05/17/88
  5. Grant07/30/91
  6. In force04/27/02

The patent was granted on 07/30/1991 and is in force until 04/27/2002. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:04/27/2002

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Latest action published by the INPI: 09/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Concrebras S/A Engenharia de Concreto

SP, BR

Inventors

E. G. (pessoa física)

BR

R. T. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Recurso

#12.1

09/20/1988

RPI 935

13.2

09/13/1988

RPI 934

Notificação para pagamento de retribuição

#13.1

09/06/1988

RPI 933

Deferimento

#9.1

05/17/1988

RPI 917

Republicação - classificação IPC

#15.11

03/24/1987

RPI 857

Exigência - art. 36 da LPI

#6.1

07/01/1986

RPI 819

Conhecimento de parecer técnico

#7.1

04/09/1985

RPI 755

Pedido de certificado de adição de invenção

#5.1

07/17/1984

RPI 717

Solicitação de exame técnico

#4.1

02/28/1984

RPI 697

Publicação do pedido de patente

#3.1

11/29/1983

RPI 684

Pedido de patente depositado

#2.1

06/15/1982

RPI 608

321

10/11/1994

RPI 1245

300

03/22/1994

RPI 1216

332

10/05/1993

RPI 1192

20.4

04/27/1993

RPI 1169

200

03/16/1993

RPI 1163

Pedido de licença voluntária

#17.1

09/01/1992

RPI 1135

Concessão da patente

#16.1

07/30/1991

RPI 1078

110

03/05/1991

RPI 1057

14.4

03/01/1990

RPI 1007

14.1

02/13/1990

RPI 1006

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