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Official data from INPI

EMBALAGEM DE FILME DE RAIOS X PARA USO DENTAL

Em AnáliseInvention Patent

Application data

Number

PI8407238

Type

Invention Patent

Filing

12/18/1984

Publication

11/26/1985

Progress at the INPI

  1. Filing12/18/84
  2. Publication11/26/85
  3. Examination05/05/87
  4. Allowance08/08/89
  5. Grant03/20/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

See this company's full portfolio

Inventors

R. B. (pessoa física)

IT

Technical data

IPC Classification

Priority claims

IT

51208 B/83 · 12/22/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

12/05/1989

RPI 998

Deferimento

#9.1

08/08/1989

RPI 981

Exigência - art. 36 da LPI

#6.1

12/06/1988

RPI 946

Solicitação de exame técnico

#4.1

11/03/1987

RPI 889

4.1.1

07/21/1987

RPI 874

Solicitação de exame técnico

#4.1

05/05/1987

RPI 863

Notificação de entrada na fase nacional - PCT

#1.3

11/26/1985

RPI 788

Carta-patente expirada

#21.1

Patente extinta em 18/12/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

03/20/1990

RPI 1010

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