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Official data from INPI

GUINCHO DE ACIONAMENTO HIDRAULICO

Em AnáliseInvention Patent

Application data

Number

PI8107388

Type

Invention Patent

Filing

11/13/1981

Publication

06/21/1983

Progress at the INPI

  1. Filing11/13/81
  2. Publication06/21/83
  3. Examination06/26/84
  4. Allowance08/06/85
  5. Grant12/30/86
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TECNAL TECNOLOGIA & DESENVOLVI [BR]

Inventors

T. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

01/10/1989

RPI 951

Pedido de licença voluntária

#17.1

02/17/1988

RPI 904

Concessão da patente

#16.1

12/30/1986

RPI 845

110

08/12/1986

RPI 825

Recurso

#12.1

11/19/1985

RPI 787

Deferimento

#9.1

08/06/1985

RPI 772

14.1

10/02/1984

RPI 728

14.4

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

06/26/1984

RPI 714

Publicação do pedido de patente

#3.1

06/21/1983

RPI 661

Pedido de patente depositado

#2.1

12/29/1981

RPI 584

Carta-patente expirada

#21.1

Patente extinta em 13/11/96

08/19/2008

RPI 1963

20.4

05/31/1994

RPI 1226

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