(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

PROCESSO PARA A PREPARAÇÃO DE NITRETO DE BORO CÚBICO A PARTIR DE NITRETO DE BORO HEXAGONAL PULVERIZADO NA AUSÊNCIA DE CATALISADOR PARTÍCULAS ABRASIVAS DO DITO NITRETO, ESMERIL CONTENDO AS PARTÍCULAS E PROCESSO DE ESMERILHAMENTO DE AÇORÁPIDO COM USO DO DITO ESMERIL

Em AnáliseInvention Patent

Application data

Number

PI8003655

Type

Invention Patent

Filing

06/11/1980

Publication

-

Progress at the INPI

  1. Filing06/11/80
  2. Publication
  3. Examination04/12/83
  4. Allowance03/17/87
  5. Grant08/25/87
  6. Terminated05/17/88

The patent was granted on 08/25/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

General Electric Company

US

See this company's full portfolio

Inventors

C. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

47.656 · 06/11/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

08/25/1987

RPI 879

Deferimento

#9.1

03/17/1987

RPI 856

Exigência - art. 36 da LPI

#6.1

02/18/1986

RPI 800

Exigência - art. 36 da LPI

#6.1

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

01/17/1984

RPI 691

Solicitação de exame técnico

#4.1

04/12/1983

RPI 651

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.