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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI8100552

Type

Invention Patent

Filing

01/30/1981

Publication

01/12/1982

Progress at the INPI

  1. Filing01/30/81
  2. Publication01/12/82
  3. Examination01/10/84
  4. Allowance01/15/85
  5. Grant07/30/85
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Reno Salvage Co.

US

Inventors

G. R. (pessoa física)

S. H. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

05/07/1985

RPI 759

Deferimento

#9.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

07/31/1984

RPI 719

Solicitação de exame técnico

#4.1

01/10/1984

RPI 690

Publicação do pedido de patente

#3.1

01/12/1982

RPI 586

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

Pedido de licença compulsória

#20.1

05/01/1990

RPI 1016

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