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Official data from INPI

TRINCO CORREDICO APERFEICOADO EM COMBINACAO COM UM ESPACADOR EXPANSOR,PARA UM ANEL DE CONTROLE DE OLEO

Em AnáliseInvention Patent

Application data

Number

PI7705550

Type

Invention Patent

Filing

09/08/1976

Publication

-

Progress at the INPI

  1. Filing09/08/76
  2. Publication
  3. Examination
  4. Allowance02/08/83
  5. Grant08/30/83
  6. Terminated01/21/92

The patent was granted on 08/30/1983 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SEALED POWER CORP

See this company's full portfolio

Inventors

D. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

11/26/1985

RPI 788

Concessão da patente

#16.1

08/30/1983

RPI 671

Notificação para pagamento de retribuição

#13.1

06/07/1983

RPI 659

Deferimento

#9.1

02/08/1983

RPI 642

Exigência - art. 36 da LPI

#6.1

06/08/1982

RPI 607

Exigência - art. 36 da LPI

#6.1

10/27/1981

RPI 575

Anuidade - prazo legal encerrado

#18.2

01/21/1992

RPI 1103

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