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Official data from INPI

APERFEICOAMENTO EM MAQUINA FORMADORA DE ROLOS DE CULTURA E MAQUINA FORMADORA DE ROLOS PARA CONSTITUICAO DE FARDOS CILINDRICOS DE MATERIAL DE CULTURA

Em AnáliseInvention Patent

Application data

Number

PI8001878

Type

Invention Patent

Filing

03/29/1979

Publication

-

Progress at the INPI

  1. Filing03/29/79
  2. Publication
  3. Examination12/21/82
  4. Allowance01/10/84
  5. Grant07/31/84
  6. Terminated06/21/88

The patent was granted on 07/31/1984 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SPERRY SA

Inventors

J. R. (pessoa física)

P. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

20.7

12/26/1984

RPI 740

20.7

12/18/1984

RPI 739

Concessão da patente

#16.1

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

05/02/1984

RPI 706

Deferimento

#9.1

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

Solicitação de exame técnico

#4.1

12/21/1982

RPI 635

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