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Official data from INPI

DISPOSITIVO DE MANOBRA CONTROLADO HIDRAULICAMENTE

Em AnáliseInvention Patent

Application data

Number

PI8604435

Type

Invention Patent

Filing

01/06/1986

Publication

07/14/1987

Progress at the INPI

  1. Filing01/06/86
  2. Publication07/14/87
  3. Examination07/12/88
  4. Allowance05/07/91
  5. Grant11/26/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stiftelsen For Industriell Og Teknisk Forskning Ved Norges Tekniske Hogskole (SINTEF)

NO

Inventors

O. B. (pessoa física)

NO

Technical data

IPC Classification

Priority claims

NO

850033 · 01/04/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/12/1988

RPI 925

Notificação de entrada na fase nacional - PCT

#1.3

07/14/1987

RPI 873

Carta-patente expirada

#21.1

Patente extinta em 06/01/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

09/03/1991

RPI 1083

Deferimento

#9.1

05/07/1991

RPI 1066

Exigência - art. 36 da LPI

#6.1

10/16/1990

RPI 1037

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