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Official data from INPI

DISPOSITIVO E MÉTODO PARA REMOVER GÁS DISSOLVIDO DE TINTA

Arquivada/ExtintaInvention PatentPCT · US1988001045

Application data

Number

PI8807029

Type

Invention Patent

Filing

03/31/1988

Publication

10/17/1989

PCT

US1988001045

Progress at the INPI

  1. Filing03/31/88
  2. Publication10/17/89
  3. Examination02/13/90
  4. Allowance03/29/94
  5. Grant10/25/94
  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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Spectra, Inc

US

See this company's full portfolio

Inventors

C. J. (pessoa física)

US

N. H. (pessoa física)

US

P. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

043.372 · 04/28/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

10/17/1989

RPI 991

Carta-patente expirada

#21.1

Patente extinta em 31/03/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/25/1994

RPI 1247

Notificação para pagamento de retribuição

#13.1

08/02/1994

RPI 1235

Deferimento

#9.1

03/29/1994

RPI 1217

Solicitação de exame técnico

#4.1

02/13/1990

RPI 1006

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