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Official data from INPI

COMPOSIÇÃO DE MATERIAL DE IMPRESSÃO OU MOLDAÇÃO PARA USO EM APLICAÇÕES DENTAIS, E, PROCESSO PARA AUMENTAR A VELOCIDADE DE UMEDECIMENTO COM ÁGUA E PARA REDUZIR A TENDÊNCIA A DESPRENDER PÓ DE UM MATERIAL DE IMPRESSÃO PULVERIZADO.

Em AnáliseInvention Patent

Application data

Number

PI8108758

Type

Invention Patent

Filing

08/26/1981

Publication

07/13/1982

Progress at the INPI

  1. Filing08/26/81
  2. Publication07/13/82
  3. Examination04/12/83
  4. Allowance03/20/90
  5. Grant02/13/91
  6. In force08/26/01

The patent was granted on 02/13/1991 and is in force until 08/26/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:08/26/2001

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Latest action published by the INPI: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dentsply International Inc.

US

See this company's full portfolio

Inventors

M. S. (pessoa física)

CH

P. M. (pessoa física)

CH

Technical data

IPC Classification

Priority claims

US

181.417 · 08/26/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

102

11/14/1989

RPI 995

Pedido de recurso

#12.3

05/02/1989

RPI 967

11.3

01/17/1989

RPI 952

Republicação - classificação IPC

#15.11

05/31/1988

RPI 919

Exigência - art. 36 da LPI

#6.1

02/09/1988

RPI 903

Conhecimento de parecer técnico

#7.1

06/18/1985

RPI 765

Solicitação de exame técnico

#4.1

04/12/1983

RPI 651

Notificação de entrada na fase nacional - PCT

#1.3

07/13/1982

RPI 612

Concessão da patente

#16.1

02/13/1991

RPI 1054

110

11/13/1990

RPI 1041

Recurso

#12.1

06/26/1990

RPI 1024

Deferimento

#9.1

03/20/1990

RPI 1010

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