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Official data from INPI

EMULSÃO EXPLOSIVA ÁGUA-EM-ÓLEO

PublicadaInvention Patent

Application data

Number

PI8806385

Type

Invention Patent

Filing

12/02/1988

Publication

08/22/1989

Progress at the INPI

  1. Filing12/02/88
  2. Publication08/22/89
  3. Examination08/20/91
  4. Allowance11/08/94
  5. Grant06/27/95
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 08/22/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. I. (pessoa física)

US

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Inventors

L. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

128,098 · 12/03/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

08/22/1989

RPI 983

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Carta-patente expirada

#21.1

Patente extinta em 02/12/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

06/27/1995

RPI 1282

Notificação para pagamento de retribuição

#13.1

03/14/1995

RPI 1267

Deferimento

#9.1

11/08/1994

RPI 1249

Exigência - art. 36 da LPI

#6.1

06/21/1994

RPI 1229

Solicitação de exame técnico

#4.1

08/20/1991

RPI 1081

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