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Official data from INPI

CONJUNTO DE VIA PARA EMPREGO NA TRANSFERÊNCIA DE TANQUES DE VAZAMENTO, CONJUNTO DE VAGÃO TRANSFERIDOR/ TANQUE DE VAZAMENTO E TANQUE DE VAZAMENTO.

DeferidaInvention Patent

Application data

Number

PI8403556

Type

Invention Patent

Filing

07/17/1984

Publication

06/25/1985

Progress at the INPI

  1. Filing07/17/84
  2. Publication06/25/85
  3. Examination06/02/87
  4. Allowance11/14/89
  5. Grant05/29/90
  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: 11/14/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Amsted Industries Incorporated

US

See this company's full portfolio

Inventors

L. J. (pessoa física)

US

Technical data

Priority claims

US

514.940 · 07/19/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

11/14/1989

RPI 995

Exigência - art. 36 da LPI

#6.1

05/09/1989

RPI 968

Solicitação de exame técnico

#4.1

06/02/1987

RPI 867

Publicação do pedido de patente

#3.1

06/25/1985

RPI 766

Pedido de patente depositado

#2.1

09/25/1984

RPI 727

Carta-patente expirada

#21.1

Patente extinta em 17/07/99

07/08/2008

RPI 1957

Republicação - classificação IPC

#15.11

09/03/1991

RPI 1083

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

03/20/1990

RPI 1010

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