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Official data from INPI

APARELHO PARA USO DURANTE A RECONSTRUÇÃO DE UM DENTE

Arquivada/ExtintaInvention PatentPCT · US1990002660

Application data

Number

PI9007385

Type

Invention Patent

Filing

05/11/1990

Publication

04/28/1992

PCT

US1990002660

Progress at the INPI

  1. Filing05/11/90
  2. Publication04/28/92
  3. Examination07/06/93
  4. Allowance08/26/97
  5. Grant09/29/98
  6. Expired01/15/13

The letters patent expired on 01/15/2013: 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: 03/27/2018. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

L. K. (pessoa física)

US

Inventors

L. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/351,386 · 05/15/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era A61C 5/04.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 11/05/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

09/29/1998

RPI 1449

Deferimento

#9.1

08/26/1997

RPI 1395

Exigência - art. 36 da LPI

#6.1

06/11/1996

RPI 1332

Solicitação de exame técnico

#4.1

07/06/1993

RPI 1179

Notificação de entrada na fase nacional - PCT

#1.3

04/28/1992

RPI 1117

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