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Official data from INPI

ESTACA NUTRIENTE E/OU PROTETORA DE PLANTA COM DESPRENDIMENTO PROLONGADO DO INGREDIENTE ATIVO

ConcedidaInvention Patent

Application data

Number

PI8207858

Type

Invention Patent

Filing

09/11/1981

Publication

08/30/1983

Progress at the INPI

  1. Filing09/11/81
  2. Publication08/30/83
  3. Examination04/23/85
  4. Allowance08/26/86
  5. Grant07/28/87
  6. Terminated06/26/90

The patent was granted on 07/28/1987 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KOEZPONTI VALTO HITELBANK [HU]

Inventors

G. [. (pessoa física)

N. [. (pessoa física)

P. [. (pessoa física)

P. [. (pessoa física)

T. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

03/31/1987

RPI 858

9.1.3

10/29/1986

RPI 836

Deferimento

#9.1

08/26/1986

RPI 827

Exigência - art. 36 da LPI

#6.1

12/24/1985

RPI 792

Solicitação de exame técnico

#4.1

04/23/1985

RPI 757

Notificação de entrada na fase nacional - PCT

#1.3

08/30/1983

RPI 671

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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