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Official data from INPI

Máquina para entalhar, máquina tendo dispositivo para remover trilhos a partir de uma via férrea e processo e máquina para entalhar superfícies superiores de dormentes de madeira de uma via férrea.

Em AnáliseInvention Patent

Application data

Number

PI7906571

Type

Invention Patent

Filing

10/12/1979

Publication

-

Progress at the INPI

  1. Filing10/12/79
  2. Publication
  3. Examination03/09/82
  4. Allowance10/13/82
  5. Grant04/26/83
  6. Terminated06/24/86

The patent was granted on 04/26/1983 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

Inventors

L. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

951.133 · 10/13/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/24/1986

RPI 818

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

02/16/1983

RPI 643

Deferimento

#9.1

10/13/1982

RPI 625

Solicitação de exame técnico

#4.1

03/09/1982

RPI 594

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