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Official data from INPI

APARELHO E PROCESSO PARA A APLICAÇÃO DIRETA DE LÍQUIDO DE TRATAMENTO EM VEGETAÇÃO EM DESENVOLVIMENTO NUM CAMPO OU SIMILAR

DeferidaInvention Patent

Application data

Number

PI8600708

Type

Invention Patent

Filing

02/19/1986

Publication

09/08/1987

Progress at the INPI

  1. Filing02/19/86
  2. Publication09/08/87
  3. Examination12/22/87
  4. Allowance11/14/89
  5. Grant06/26/90
  6. Terminated12/31/96

The patent was granted on 06/26/1990 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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

John Sherman Richardson,norte-americano

US

John Wilson Richardson, norte-americano

US

Inventors

J. R. (pessoa física)

US

J. R. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/14/1989

RPI 995

Exigência - art. 36 da LPI

#6.1

06/20/1989

RPI 974

Solicitação de exame técnico

#4.1

12/22/1987

RPI 896

Publicação do pedido de patente

#3.1

09/08/1987

RPI 881

Pedido de patente depositado

#2.1

08/12/1986

RPI 825

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

06/26/1990

RPI 1024

Notificação para pagamento de retribuição

#13.1

03/20/1990

RPI 1010

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