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Official data from INPI

REGULADOR AUTOMÁTICO DE FREIOS

Arquivada/ExtintaInvention Patent
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Application data

Number

PI9008040

Type

Invention Patent

Filing

01/19/1990

Publication

08/14/1990
View on INPI

Progress at the INPI

  1. Filing01/19/90
  2. Publication08/14/90
  3. Examination03/19/91
  4. Allowance06/08/93
  5. Grant03/28/95
  6. Expired06/15/10

The letters patent expired on 06/15/2010: 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: 06/15/2010. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. F. (pessoa física)

SP, BR

Inventors

A. F. (pessoa física)

BR

Technical data

IPC Classification

F16D 65/52

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 19/01/2005

06/15/2010

RPI 2058

Concessão da patente

#16.1

03/28/1995

RPI 1269

Retificação

#15.6

11/29/1994

RPI 1252

Retificação

#15.3

06/28/1994

RPI 1230

Notificação para pagamento de retribuição

#13.1

10/19/1993

RPI 1194

Deferimento

#9.1

06/08/1993

RPI 1175

15.10

05/11/1993

RPI 1171

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

Publicação antecipada

#3.2

08/14/1990

RPI 1028

Pedido de patente depositado

#2.1

05/15/1990

RPI 1018

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