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Official data from INPI

LAMINA DEPURADORA PARA ROLOS LISOS EM MAQUINAS DE FIACAO TEXTIL,EM PARTICULAR PARA LIMPAR OS ROLOS DE CALANDRA DE UMA CARDA

Em AnáliseInvention Patent

Application data

Number

PI7803037

Type

Invention Patent

Filing

05/16/1977

Publication

-

Progress at the INPI

  1. Filing05/16/77
  2. Publication
  3. Examination
  4. Allowance08/09/83
  5. Grant03/27/84
  6. Terminated02/25/86

The patent was granted on 03/27/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 02/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RIETER AG MASCHF

See this company's full portfolio

Inventors

W. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

02/25/1986

RPI 801

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

11/29/1983

RPI 684

Deferimento

#9.1

08/09/1983

RPI 668

Exigência - art. 36 da LPI

#6.1

09/08/1982

RPI 620

6.2

01/12/1982

RPI 586

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