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Official data from INPI

APERFEICOAMENTO EM DISPOSITIVO DE COMANDO HIDRAULICO PARA PORTAS DE VIDRO E OUTROS

Em AnáliseInvention Patent

Application data

Number

PI7600145

Type

Invention Patent

Filing

01/13/1976

Publication

-

Progress at the INPI

  1. Filing01/13/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Expired09/21/93

The letters patent expired on 09/21/1993: 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: 08/12/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. M. (pessoa física)

SP, BR

Inventors

R. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

08/12/1986

RPI 825

20.4

08/05/1986

RPI 824

20.7

07/29/1986

RPI 823

Concessão da patente

#16.1

02/24/1982

RPI 592

Carta-patente expirada

#21.1

09/21/1993

RPI 1190

Pedido de licença compulsória

#20.1

10/09/1990

RPI 1036

20.4

10/02/1990

RPI 1035

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