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Official data from INPI

PISTOLA DE PULVERIZAR PÓ E AMPLIFICADOR DE ESCOAMENTO DE AR

Arquivada/ExtintaInvention PatentPCT · US1988002641

Application data

Number

PI8807687

Type

Invention Patent

Filing

08/02/1988

Publication

06/26/1990

PCT

US1988002641

Progress at the INPI

  1. Filing08/02/88
  2. Publication06/26/90
  3. Examination05/28/91
  4. Allowance03/09/93
  5. Grant10/26/93
  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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. C. (pessoa física)

US

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Inventors

D. S. (pessoa física)

D. M. (pessoa física)

R. L. (pessoa física)

R. W. (pessoa física)

Technical data

IPC Classification

Priority claims

US

097.946 · 09/17/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 02/08/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/26/1993

RPI 1195

Notificação para pagamento de retribuição

#13.1

06/29/1993

RPI 1178

Deferimento

#9.1

03/09/1993

RPI 1162

Solicitação de exame técnico

#4.1

05/28/1991

RPI 1069

Notificação de entrada na fase nacional - PCT

#1.3

06/26/1990

RPI 1024

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