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Official data from INPI

FERTILIZANTES LÍQUIDOS DE DISPONIBILIDADE CONTROLADA.

Em AnáliseInvention Patent

Application data

Number

PI8705649

Type

Invention Patent

Filing

10/21/1987

Publication

03/15/1988

Progress at the INPI

  1. Filing10/21/87
  2. Publication03/15/88
  3. Examination06/21/88
  4. Refused11/23/93
  5. Grant
  6. In force

The application was refused on 11/23/1993 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ultrafértil S/A Indústria e comércio de fertilizantes.

RJ, BR

Inventors

L. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/21/1988

RPI 922

Publicação antecipada

#3.2

03/15/1988

RPI 908

Pedido de patente depositado

#2.1

02/23/1988

RPI 905

111

11/23/1993

RPI 1199

120

02/09/1993

RPI 1158

Petição de recurso

#12.2

04/30/1991

RPI 1065

Indeferimento

#9.2

01/22/1991

RPI 1051

Conhecimento de parecer técnico

#7.1

06/05/1990

RPI 1021

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