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

PROCESSO PARA A COMBUSTAO DE CARVAO BEM COMO DISPOSITIVO PARA A EXECUCAO DESSE PROCESSO

Em AnáliseInvention Patent

Application data

Number

PI7902330

Type

Invention Patent

Filing

04/18/1978

Publication

-

Progress at the INPI

  1. Filing04/18/78
  2. Publication
  3. Examination11/10/81
  4. Allowance10/25/83
  5. Grant04/29/86
  6. Terminated05/17/88

The patent was granted on 04/29/1986 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

RUHRKOHLE AG

Inventors

B. W. (pessoa física)

G. H. (pessoa física)

J. J. (pessoa física)

S. A. (pessoa física)

S. J. (pessoa física)

Technical data

IPC Classification

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

04/29/1986

RPI 810

110

11/12/1985

RPI 786

120

01/15/1985

RPI 743

Recurso

#12.1

01/31/1984

RPI 693

Deferimento

#9.1

10/25/1983

RPI 679

Republicação - classificação IPC

#15.11

05/10/1983

RPI 655

Exigência - art. 36 da LPI

#6.1

04/19/1983

RPI 652

Pedido de certificado de adição de invenção

#5.1

04/27/1982

RPI 601

Solicitação de exame técnico

#4.1

11/10/1981

RPI 577

Patent monitoring

Track this patent in real time.

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