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Official data from INPI

APERFEIÇOAMENTO EM VÁLVULA DE ALÍVIO DE CONTAINERS.

Concessão AnuladaUtility Model

Application data

Number

MU6100314

Type

Utility Model

Filing

03/09/1981

Publication

12/08/1981

Progress at the INPI

  1. Filing03/09/81
  2. Publication12/08/81
  3. Examination11/09/82
  4. Allowance
  5. Grant02/04/86
  6. In force03/09/96

The patent was granted on 02/04/1986 and is in force until 03/09/1996. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:03/09/1996

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Latest action published by the INPI: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. D. (pessoa física)

Inventors

D. E. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão anulada

#16.2

04/29/1986

RPI 810

Concessão da patente

#16.1

02/04/1986

RPI 798

Arquivamento - Art. 36 §1° da LPI

#11.2

04/02/1985

RPI 754

Exigência - art. 36 da LPI

#6.1

08/28/1984

RPI 723

Solicitação de exame técnico

#4.1

11/09/1982

RPI 629

Publicação antecipada

#3.2

12/08/1981

RPI 581

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: B67D 5/34; B65D 51/14; B65D 90/32.

03/27/2018

RPI 2464

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