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

APARELHAGEM E PROCESSO PARA A IGNIÇÃO DE CARVÃO PULVERIZADO EM SUSPENSÃO NUM FLUXO DE AR; E PROCESSO PARA A IGNIÇÃO DE CARVÃO PULVERIZADO EM UM QUIEMADOR DE CARVÃO

ConcedidaInvention Patent

Application data

Number

PI7803038

Type

Invention Patent

Filing

05/15/1978

Publication

-

Progress at the INPI

  1. Filing05/15/78
  2. Publication
  3. Examination
  4. Allowance04/19/83
  5. Grant10/25/83
  6. Terminated04/20/93

The patent was granted on 10/25/1983 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: 10/25/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. C. (pessoa física)

US

See this company's full portfolio

Inventors

P. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

AU

78-36159 · 05/16/1978

CA

270123 · 01/20/1977

DE

P 28209316 · 05/12/1978

ES

469860 · 05/13/1978

GB

78.19416 · 05/13/1978

JP

78-056635 · 05/15/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

09/06/1983

RPI 672

Republicação - classificação IPC

#15.11

04/26/1983

RPI 653

Deferimento

#9.1

04/19/1983

RPI 652

Anuidade - prazo legal encerrado

#18.2

04/20/1993

RPI 1168

Patent monitoring

Track this patent in real time.

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