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Official data from INPI

APERFEICOAMENTO EM COLHEDEIRA COMBINADA

Em AnáliseInvention Patent

Application data

Number

PI7600765

Type

Invention Patent

Filing

03/24/1975

Publication

-

Progress at the INPI

  1. Filing03/24/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Terminated09/18/90

The patent was granted on 02/24/1982 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: 12/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SPERRY RAND CORP

Inventors

S. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

12/29/1987

RPI 897

20.7

12/29/1987

RPI 897

Pedido de licença compulsória

#20.1

09/23/1986

RPI 831

20.7

12/18/1984

RPI 739

Pedido de licença compulsória

#20.1

09/20/1983

RPI 674

20.4

09/13/1983

RPI 673

Concessão da patente

#16.1

02/24/1982

RPI 592

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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