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Official data from INPI

CONJUNTO APERFEIÇOADO DE MANCAL CENTRAL.

ConcedidaInvention Patent

Application data

Number

PI8007525

Type

Invention Patent

Filing

02/22/1980

Publication

-

Progress at the INPI

  1. Filing02/22/80
  2. Publication
  3. Examination08/10/82
  4. Allowance11/18/86
  5. Grant07/28/87
  6. Expired12/26/95

The letters patent expired on 12/26/1995: 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: 07/28/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

R. J. (pessoa física)

Technical data

Priority claims

US

17.402 · 03/05/1979

US

PCT/80/00184 · 02/22/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

03/31/1987

RPI 858

Deferimento

#9.1

11/18/1986

RPI 839

Exigência - art. 36 da LPI

#6.1

02/25/1986

RPI 801

Solicitação de exame técnico

#4.1

08/10/1982

RPI 616

Carta-patente expirada

#21.1

12/26/1995

RPI 1308

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