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

PROCESSO PARA PREPARAR UMA COMPOSIÇÃO FERTILIZANTE LÍQUIDA DE ALTO TEOR

ConcedidaInvention Patent

Application data

Number

PI7901753

Type

Invention Patent

Filing

03/21/1979

Publication

-

Progress at the INPI

  1. Filing03/21/79
  2. Publication
  3. Examination
  4. Allowance02/21/89
  5. Grant08/29/89
  6. Expired06/21/94

The letters patent expired on 06/21/1994: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stoller Enterprises, Inc.

US

See this company's full portfolio

Inventors

H. H. (pessoa física)

US

J. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

954,733 · 10/30/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

100

02/21/1989

RPI 957

120

10/11/1988

RPI 938

Petição de recurso

#12.2

03/15/1988

RPI 908

Indeferimento

#9.2

11/10/1987

RPI 890

Conhecimento de parecer técnico

#7.1

02/17/1987

RPI 852

Exigência - art. 36 da LPI

#6.1

04/24/1984

RPI 705

Exigência - art. 36 da LPI

#6.1

11/30/1982

RPI 632

Carta-patente expirada

#21.1

06/21/1994

RPI 1229

Patent monitoring

Track this patent in real time.

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