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Official data from INPI

CONJUNTO DE BOCAL DE DESPEJO EM TAMPA DE RECIPIENTES.

ConcedidaInvention Patent

Application data

Number

PI7906386

Type

Invention Patent

Filing

10/02/1979

Publication

-

Progress at the INPI

  1. Filing10/02/79
  2. Publication
  3. Examination
  4. Allowance10/26/82
  5. Grant06/28/83
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Flange & Manufacturing Co. Inc.

US

Inventors

D. D. (pessoa física)

Technical data

IPC Classification

Priority claims

US

947.942 · 10/02/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

03/15/1983

RPI 647

Deferimento

#9.1

10/26/1982

RPI 627

Exigência - art. 36 da LPI

#6.1

03/16/1982

RPI 595

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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