(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

DENTIFRICIO,DIOXIDO DE SILICIO PRECIPITADO;E APERFEICOAMENTO EM PROCESSO PARA PRODUCAO DO DIOXIDO DE SILICIO PRECIPITADO DE ALTA ESTRUTURA,AMORFO E FINAMENTE DIVIDIDO

Em AnáliseInvention Patent

Application data

Number

PI7601454

Type

Invention Patent

Filing

03/12/1975

Publication

-

Progress at the INPI

  1. Filing03/12/75
  2. Publication
  3. Examination
  4. Allowance03/07/84
  5. Grant12/29/81
  6. In force03/12/95

The patent was granted on 12/29/1981 and is in force until 03/12/1995. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:03/12/1995

Leave your contact and we will alert you

We track INPI publications and let you know as soon as this case moves.

We use your details only for this alert.

Latest action published by the INPI: 08/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HUBER CORP J M

See this company's full portfolio

Inventors

M. R. (pessoa física)

W. S. (pessoa física)

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

08/09/1988

RPI 929

Recurso

#12.1

06/26/1984

RPI 714

Deferimento

#9.1

03/07/1984

RPI 698

8.1

10/11/1983

RPI 677

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

102

08/10/1982

RPI 616

11.8

03/02/1982

RPI 593

Concessão da patente

#16.1

12/29/1981

RPI 584

Pedido de recurso

#12.3

12/22/1981

RPI 583

137

01/16/1990

RPI 1002

Related

From the same holder

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.