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Official data from INPI

APERFEICOAMENTO EM GUINCHO DE ACIONAMENTO HIDRAULICO

ConcedidaUtility Model

Application data

Number

MU6401940

Type

Utility Model

Filing

11/28/1984

Publication

06/17/1986

Progress at the INPI

  1. Filing11/28/84
  2. Publication06/17/86
  3. Examination08/26/86
  4. Allowance06/28/88
  5. Grant02/28/89
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. T. (pessoa física)

Inventors

T. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/25/1988

RPI 940

Deferimento

#9.1

06/28/1988

RPI 923

Exigência - art. 36 da LPI

#6.1

12/15/1987

RPI 895

Solicitação de exame técnico

#4.1

08/26/1986

RPI 827

Publicação do pedido de patente

#3.1

06/17/1986

RPI 817

Pedido de patente depositado

#2.1

03/05/1985

RPI 750

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

20.4

05/03/1994

RPI 1222

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