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Official data from INPI

PULVERIZADOR LÍQUIDO

Prazo de SigiloInvention Patent

Application data

Number

PI8803595

Type

Invention Patent

Filing

07/18/1988

Publication

03/06/1990

Progress at the INPI

  1. Filing07/18/88
  2. Publication03/06/90
  3. Examination04/16/91
  4. Allowance07/27/93
  5. Grant03/29/94
  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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Calmar, Inc.

US

See this company's full portfolio

Inventors

D. C. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

12/27/1988

RPI 949

Carta-patente expirada

#21.1

Patente extinta em 18/07/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

03/29/1994

RPI 1217

Deferimento

#9.1

07/27/1993

RPI 1182

Solicitação de exame técnico

#4.1

04/16/1991

RPI 1063

Publicação do pedido de patente

#3.1

03/06/1990

RPI 1008

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