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Official data from INPI

MISTURADOR DE ARGAMASSA

Em AnáliseInvention Patent
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Application data

Number

PI8900398

Type

Invention Patent

Filing

01/31/1989

Publication

06/06/1989
View on INPI

Progress at the INPI

  1. Filing01/31/89
  2. Publication06/06/89
  3. Examination11/21/89
  4. Allowance03/08/94
  5. Grant11/28/95
  6. Expired12/15/09

The letters patent expired on 12/15/2009: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ASH Equipamentos Hidráulicos do Brasil Ltda

SP, BR

NGH Equipamentos Hidráulicos do Brasil Ltda

SP, BR

Inventors

H. M. (pessoa física)

BR

J. P. (pessoa física)

BR

Technical data

IPC Classification

B28C 5/08

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/21/1989

RPI 996

Publicação antecipada

#3.2

06/06/1989

RPI 972

Pedido de patente depositado

#2.1

03/21/1989

RPI 961

Carta-patente expirada

#21.1

Patente extinta em 31/01/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

11/28/1995

RPI 1304

15.18

11/07/1995

RPI 1301

Retificação

#15.3

09/12/1995

RPI 1293

Notificação para pagamento de retribuição

#13.1

05/02/1995

RPI 1274

Retificação

#15.6

04/11/1995

RPI 1271

15.15

11/29/1994

RPI 1252

Retificação

#15.3

07/26/1994

RPI 1234

Deferimento

#9.1

03/08/1994

RPI 1214

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