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Official data from INPI

FILTRO PRENSA COMPOSTO POR PLACAS TRIPLICES INDEPENDENTES PARA EMPREGO DO PROCESSO DE CONCENTRACAO GRAVIMETRICA DO CARVAO POR MEIO DE LIQUIDO PESADO

ArquivadaUtility Model

Application data

Number

MU6101715

Type

Utility Model

Filing

11/25/1981

Publication

08/23/1983

Progress at the INPI

  1. Filing11/25/81
  2. Publication08/23/83
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 11/25/1981 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/10/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CARNEIRO PAULO LEITE [BR]

Inventors

C. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

12/10/1985

RPI 790

Publicação do pedido de patente

#3.1

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

01/05/1982

RPI 585

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