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Official data from INPI

DISPOSITIVO DE SEMEADURA E PROCESSO PARA SEMEADURA ATRAVÉS DE UM SISTEMA DE IRRIGAÇÃO AUTO-IMPULSIONADO.

Em ExigênciaInvention Patent

Application data

Number

PI8505565

Type

Invention Patent

Filing

11/06/1985

Publication

01/21/1987

Progress at the INPI

  1. Filing11/06/85
  2. Publication01/21/87
  3. Examination02/28/89
  4. Allowance05/29/90
  5. Grant11/27/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Valmont Industries, Inc.

US

See this company's full portfolio

Inventors

C. O. (pessoa física)

US

J. C. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

745.183 · 06/17/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

10/24/1989

RPI 992

Solicitação de exame técnico

#4.1

02/28/1989

RPI 958

Publicação do pedido de patente

#3.1

01/21/1987

RPI 848

Pedido de patente depositado

#2.1

01/21/1986

RPI 796

Carta-patente expirada

#21.1

Patente extinta em 06/11/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

11/27/1990

RPI 1043

Notificação para pagamento de retribuição

#13.1

09/04/1990

RPI 1031

Deferimento

#9.1

05/29/1990

RPI 1020

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