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Official data from INPI

BARRAS DE VEDAÇÃO DE VAPOR.

ConcedidaInvention Patent

Application data

Number

PI8100918

Type

Invention Patent

Filing

02/16/1981

Publication

-

Progress at the INPI

  1. Filing02/16/81
  2. Publication
  3. Examination01/26/82
  4. Allowance12/16/86
  5. Grant08/25/87
  6. Expired03/26/96

The letters patent expired on 03/26/1996: 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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Franz Haas Sen, Franz Haas Jun e Johann Haas.

AT

Inventors

H. [. (pessoa física)

H. [. (pessoa física)

H. [. (pessoa física)

Technical data

IPC Classification

Priority claims

AT

A 1086/80 · 02/27/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/25/1987

RPI 879

Notificação para pagamento de retribuição

#13.1

05/05/1987

RPI 863

Deferimento

#9.1

12/16/1986

RPI 843

Republicação - classificação IPC

#15.11

08/06/1985

RPI 772

Exigência - art. 36 da LPI

#6.1

02/26/1985

RPI 749

6.3

10/04/1983

RPI 676

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

Solicitação de exame técnico

#4.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

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