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Official data from INPI

PROCESSO PARA FUMIGAÇÃO DO SOLO

Em AnáliseInvention Patent

Application data

Number

PI8406842

Type

Invention Patent

Filing

04/30/1984

Publication

03/19/1985

Progress at the INPI

  1. Filing04/30/84
  2. Publication03/19/85
  3. Examination01/19/88
  4. Allowance08/29/95
  5. Grant03/26/96
  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: 01/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Union Oil Company of California

US

See this company's full portfolio

Inventors

D. Y. (pessoa física)

US

J. G. (pessoa física)

US

Technical data

Priority claims

US

490,461 · 05/02/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

01/19/1988

RPI 900

15.19

11/10/1987

RPI 890

Retificação

#15.3

08/04/1987

RPI 876

Notificação de entrada na fase nacional - PCT

#1.3

03/19/1985

RPI 752

Carta-patente expirada

#21.1

Patente extinta em 30/04/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

03/26/1996

RPI 1321

Deferimento

#9.1

08/29/1995

RPI 1291

Exigência - art. 36 da LPI

#6.1

10/25/1994

RPI 1247

Exigência - art. 36 da LPI

#6.1

05/17/1994

RPI 1224

Conhecimento de parecer técnico

#7.1

02/16/1993

RPI 1159

Republicação - classificação IPC

#15.11

08/11/1992

RPI 1132

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