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

COMPOSTOS, PROCESSO PARA A SUA PRODUÇÃO, E SUA APLICAÇÀO.

ConcedidaInvention Patent

Application data

Number

PI7906237

Type

Invention Patent

Filing

09/28/1979

Publication

-

Progress at the INPI

  1. Filing09/28/79
  2. Publication
  3. Examination03/09/82
  4. Allowance08/07/84
  5. Grant03/26/85
  6. Expired04/25/95

The letters patent expired on 04/25/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. A. (pessoa física)

DE

See this company's full portfolio

Inventors

F. O. (pessoa física)

K. A. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 28 42 469.3 · 09/29/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/07/1984

RPI 720

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

6.2

02/01/1983

RPI 641

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

Patent monitoring

Track this patent in real time.

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