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Official data from INPI

COBETURA DE FIBRA CERÂMICA PARA BOCA DE CARGA E DESCARGA DE VAGÕES FERROVIÁRIOS PARA TRANSPORTES DE FERRO GUSA EM USINAS SIDERÚRGICAS.

ArquivadaInvention Patent

Application data

Number

PI8300078

Type

Invention Patent

Filing

01/10/1983

Publication

06/25/1985

Progress at the INPI

  1. Filing01/10/83
  2. Publication06/25/85
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: examination was not requested within the 36 months following the 01/10/1983 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: 10/27/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Babcock & Wilcox Fibras Cerâmicas Ltda

Babcock & Wilcox tracy Power, Inc

US

Inventors

R. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 33 da LPI

#11.1

10/27/1987

RPI 888

15.17

08/20/1985

RPI 774

Publicação do pedido de patente

#3.1

06/25/1985

RPI 766

15.13

08/14/1984

RPI 721

Pedido de patente depositado

#2.1

02/22/1983

RPI 644

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