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Official data from INPI

APERFEIÇOAMENTO EM COMPOSIÇÃO RESTAURADORA DENTÁRIA

Em AnáliseInvention Patent

Application data

Number

PI8502290

Type

Invention Patent

Filing

05/15/1985

Publication

01/14/1986

Progress at the INPI

  1. Filing05/15/85
  2. Publication01/14/86
  3. Examination02/17/88
  4. Allowance03/28/95
  5. Grant10/31/95
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 02/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Densply Indústria e Comércio Ltda.

RJ, BR

Dentsply Indústria e Comércio Ltda

RJ, BR

Inventors

L. Y. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

610.909 · 05/16/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

02/17/1988

RPI 904

Publicação do pedido de patente

#3.1

01/14/1986

RPI 795

Pedido de patente depositado

#2.1

07/16/1985

RPI 769

Carta-patente expirada

#21.1

Patente extinta em 15/05/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

10/31/1995

RPI 1300

Deferimento

#9.1

03/28/1995

RPI 1269

Exigência - art. 36 da LPI

#6.1

10/25/1994

RPI 1247

Anulação de indeferimento

#9.2.1

06/07/1994

RPI 1227

Petição de recurso

#12.2

03/08/1994

RPI 1214

14.1

09/21/1993

RPI 1190

Indeferimento

#9.2

09/08/1993

RPI 1188

Conhecimento de parecer técnico

#7.1

10/06/1992

RPI 1140

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