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Official data from INPI

MATERIAL PARA CONTROLE SOLAR EM FOLHAS E PROCESSO PARA FAZER O MESMO

Em AnáliseInvention Patent

Application data

Number

PI7803055

Type

Invention Patent

Filing

05/16/1977

Publication

-

Progress at the INPI

  1. Filing05/16/77
  2. Publication
  3. Examination
  4. Allowance07/12/83
  5. Grant12/27/83
  6. Terminated06/14/88

The patent was granted on 12/27/1983 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG

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Inventors

B. T. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/14/1988

RPI 921

Cessão de direito de exploração

#22.1

04/02/1985

RPI 754

Concessão da patente

#16.1

12/27/1983

RPI 688

Notificação para pagamento de retribuição

#13.1

11/08/1983

RPI 681

Deferimento

#9.1

07/12/1983

RPI 664

Republicação - classificação IPC

#15.11

04/26/1983

RPI 653

Exigência - art. 36 da LPI

#6.1

02/08/1983

RPI 642

6.2

04/06/1982

RPI 598

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