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Official data from INPI

COMPOSIÇÃO FERTILIZANTE DE FOSFATO DE ROCHA E MÉTODO DE FERTILIZAÇÃO

Em AnáliseInvention Patent

Application data

Number

PI8401137

Type

Invention Patent

Filing

03/13/1984

Publication

10/23/1984

Progress at the INPI

  1. Filing03/13/84
  2. Publication10/23/84
  3. Examination02/20/85
  4. Allowance01/24/89
  5. Grant01/09/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Stoller Enterprises, Inc.

US

See this company's full portfolio

Inventors

J. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

475,142 · 03/14/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

05/30/1989

RPI 971

Deferimento

#9.1

01/24/1989

RPI 953

Conhecimento de parecer técnico

#7.1

08/09/1988

RPI 929

Solicitação de exame técnico

#4.1

02/20/1985

RPI 748

Publicação do pedido de patente

#3.1

10/23/1984

RPI 731

Pedido de patente depositado

#2.1

05/29/1984

RPI 710

Carta-patente expirada

#21.1

Patente extinta em 13/03/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

01/09/1990

RPI 1001

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