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Official data from INPI

COMPOSIÇÃO DE CIMENTO DENTAL

ConcedidaInvention Patent

Application data

Number

PI8000655

Type

Invention Patent

Filing

02/01/1980

Publication

-

Progress at the INPI

  1. Filing02/01/80
  2. Publication
  3. Examination
  4. Allowance01/10/89
  5. Grant08/29/89
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. C. (pessoa física)

US

Inventors

E. J. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

011,389 · 02/12/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

05/30/1989

RPI 971

Notificação para pagamento de retribuição

#13.1

05/16/1989

RPI 969

Deferimento

#9.1

01/10/1989

RPI 951

Exigência - art. 36 da LPI

#6.1

04/19/1988

RPI 913

Conhecimento de parecer técnico

#7.1

09/27/1983

RPI 675

6.2

11/23/1982

RPI 631

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

Pedido de licença compulsória

#20.1

10/23/1990

RPI 1038

Pedido de licença compulsória

#20.1

08/21/1990

RPI 1029

20.3

08/21/1990

RPI 1029

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