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Official data from INPI

ARTICULAÇÃO DE CORRENTE, CORRENTE, TRANSPORTADOR E CORRENTE DE BAIXA PRESSÃO NA LINHA TRASEIRA.

Em AnáliseInvention Patent

Application data

Number

PI8202894

Type

Invention Patent

Filing

05/19/1982

Publication

05/03/1983

Progress at the INPI

  1. Filing05/19/82
  2. Publication05/03/83
  3. Examination06/25/85
  4. Allowance
  5. Grant09/29/87
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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

Rexnord Inc

US

See this company's full portfolio

Inventors

W. H. (pessoa física)

US

Technical data

Priority claims

US

269.749 · 06/02/1981

US

350.842 · 02/22/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

12/05/1989

RPI 998

Pedido de licença compulsória

#20.1

11/28/1989

RPI 997

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

05/12/1987

RPI 864

110

03/10/1987

RPI 855

Recurso

#12.1

08/19/1986

RPI 826

Solicitação de exame técnico

#4.1

06/25/1985

RPI 766

Publicação do pedido de patente

#3.1

05/03/1983

RPI 654

Pedido de patente depositado

#2.1

07/06/1982

RPI 611

Carta-patente expirada

#21.1

Patente extinta em 19/05/97

07/01/2008

RPI 1956

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