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Official data from INPI

PROCESSO DE FUMIGAR CEREAIS E OUTRAS MERCADORIAS ARMAZENADAS A GRANEL E CONJUNTO APLICADOR DE FUMIGANTE

ConcedidaInvention Patent

Application data

Number

PI8305977

Type

Invention Patent

Filing

10/31/1983

Publication

02/20/1985

Progress at the INPI

  1. Filing10/31/83
  2. Publication02/20/85
  3. Examination02/03/87
  4. Allowance05/24/88
  5. Grant08/29/89
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Pestcon Systems, Inc.

US

Inventors

L. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

493.011 · 05/09/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/23/1989

RPI 970

110

02/28/1989

RPI 958

Recurso

#12.1

09/20/1988

RPI 935

Deferimento

#9.1

05/24/1988

RPI 918

Exigência - art. 36 da LPI

#6.1

11/17/1987

RPI 891

Solicitação de exame técnico

#4.1

02/03/1987

RPI 850

Publicação do pedido de patente

#3.1

02/20/1985

RPI 748

Pedido de patente depositado

#2.1

01/17/1984

RPI 691

Carta-patente expirada

#21.1

Patente extinta em 31/10/98

07/01/2008

RPI 1956

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