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Official data from INPI

SISTEMA FOTOTERMOGRÁFICO DE RAIOS X INDUSTRIAL

ConcedidaInvention Patent

Application data

Number

PI8405299

Type

Invention Patent

Filing

10/19/1984

Publication

09/03/1985

Progress at the INPI

  1. Filing10/19/84
  2. Publication09/03/85
  3. Examination08/18/87
  4. Allowance06/06/89
  5. Grant11/28/89
  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: 11/28/1989. 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

G. M. (pessoa física)

US

T. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

544.388 · 10/21/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

10/03/1989

RPI 989

Deferimento

#9.1

06/06/1989

RPI 972

Exigência - art. 36 da LPI

#6.1

11/22/1988

RPI 944

Solicitação de exame técnico

#4.1

08/18/1987

RPI 878

Publicação do pedido de patente

#3.1

09/03/1985

RPI 776

Pedido de patente depositado

#2.1

01/02/1985

RPI 741

Carta-patente expirada

#21.1

Patente extinta em 19/10/99

07/08/2008

RPI 1957

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