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Official data from INPI

APARELHO E PROCESSO PARA BOMBEAMENTO DE UMA PASTA SEMIFLUIDA,QUENTE E EROSIVA,DE SOLIDOS DE CARVAO EM UM LIQUIDO DERIVADO DO CARVAO E IMISCIVEL EM AGUA

ArquivadaInvention Patent

Application data

Number

PI8108794

Type

Invention Patent

Filing

09/18/1980

Publication

08/10/1982

Progress at the INPI

  1. Filing09/18/80
  2. Publication08/10/82
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 09/18/1980 filing, the deadline set by art. 33 of the Brazilian IP Act. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/14/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

PITTSBURGH MIDWAY COAL MINING [US]

Inventors

A. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

05/14/1985

RPI 760

Notificação de entrada na fase nacional - PCT

#1.3

08/10/1982

RPI 616

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