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Official data from INPI

ACOPLAMENTO HIDRÁULICO; ELEMENTO FÊMEO DE UM ACOPLAMENTO HIDRÁULICO SUBMARINO E ACOPLAMENTO HIDRÁULICO SUBMARINO

Arquivada/ExtintaInvention Patent

Application data

Number

PI9601167

Type

Invention Patent

Filing

03/28/1996

Publication

01/06/1998

Progress at the INPI

  1. Filing03/28/96
  2. Publication01/06/98
  3. Examination
  4. Allowance10/09/01
  5. Grant03/05/02
  6. Expired05/03/16

The letters patent expired on 05/03/2016: 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: 05/03/2016. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

National Coupling Company, Inc

US

See this company's full portfolio

Inventors

R. I. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

08/411.943 · 03/28/1995

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/03/2016

05/03/2016

RPI 2365

Concessão da patente

#16.1

03/05/2002

RPI 1626

Deferimento

#9.1

10/09/2001

RPI 1605

Publicação do pedido de patente

#3.1

01/06/1998

RPI 1411

Pedido de patente depositado

#2.1

05/21/1996

RPI 1329

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