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Official data from INPI

REDUTOR COM TOQUE REGULÁVEL.

ConcedidaUtility Model

Application data

Number

MU6301134

Type

Utility Model

Filing

08/08/1983

Publication

03/19/1985

Progress at the INPI

  1. Filing08/08/83
  2. Publication03/19/85
  3. Examination10/15/85
  4. Allowance07/21/87
  5. Grant04/26/88
  6. Expired12/07/93

The letters patent expired on 12/07/1993: 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: 04/26/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. P. (pessoa física)

SP, BR

Inventors

P. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/26/1988

RPI 914

Notificação para pagamento de retribuição

#13.1

11/24/1987

RPI 892

Deferimento

#9.1

07/21/1987

RPI 874

Exigência - art. 36 da LPI

#6.1

09/30/1986

RPI 832

Solicitação de exame técnico

#4.1

10/15/1985

RPI 782

Publicação do pedido de patente

#3.1

03/19/1985

RPI 752

Pedido de patente depositado

#2.1

10/18/1983

RPI 678

Republicação - classificação IPC

#15.11

As classificações anteriores eram: E05F 13/00, E05F 15/20

08/25/2015

RPI 2329

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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