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Official data from INPI

DISPOSITIVO PARA SUSTENTAR UMA SONDA NASOGÁSTRICA

Prazo de SigiloInvention Patent

Application data

Number

PI8902319

Type

Invention Patent

Filing

05/18/1989

Publication

01/09/1990

Progress at the INPI

  1. Filing05/18/89
  2. Publication01/09/90
  3. Examination11/20/90
  4. Allowance06/28/94
  5. Grant01/31/95
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 07/04/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. I. (pessoa física)

US

See this company's full portfolio

Inventors

G. N. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

197.826 · 05/23/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/04/1989

RPI 976

Carta-patente expirada

#21.1

Patente extinta em 18/05/2004

12/22/2009

RPI 2033

Concessão da patente

#16.1

01/31/1995

RPI 1261

Notificação para pagamento de retribuição

#13.1

11/01/1994

RPI 1248

Deferimento

#9.1

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

11/20/1990

RPI 1042

Publicação do pedido de patente

#3.1

01/09/1990

RPI 1001

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