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Official data from INPI

ROTOR PARA COMBINADAS DE FLUXO AXIAL COM PROJECOES NO CARACOL DO ROTOR E RESPECTIVA COMBINADA

Em AnáliseInvention Patent

Application data

Number

PI7601280

Type

Invention Patent

Filing

03/20/1975

Publication

-

Progress at the INPI

  1. Filing03/20/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/26/83
  6. Terminated11/17/87

The patent was granted on 07/26/1983 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: 11/17/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SPERRY RAND CORP

Inventors

C. E. (pessoa física)

C. J. (pessoa física)

R. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/17/1987

RPI 891

Pedido de licença compulsória

#20.1

05/02/1984

RPI 706

20.4

04/10/1984

RPI 703

Concessão da patente

#16.1

07/26/1983

RPI 666

110

04/12/1983

RPI 651

120

10/05/1982

RPI 624

Recurso

#12.1

03/02/1982

RPI 593

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