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Official data from INPI

REVESTIMENTOS DE BARREIRA TERMICA DE CERAMICA EM GRAOS EM COLUNA SOBRE SUBSTRATOS POLIDOS

ConcedidaInvention Patent
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Application data

Number

PI8105749

Type

Invention Patent

Filing

01/07/1981

Publication

11/24/1981
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Progress at the INPI

  1. Filing01/07/81
  2. Publication11/24/81
  3. Examination04/27/82
  4. Allowance08/11/87
  5. Grant12/29/87
  6. Terminated06/27/95

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

Applicants and inventors

Applicants

UNITED TECHNOLOGIES CORP

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Inventors

R. D. (pessoa física)

U. N. (pessoa física)

Technical data

IPC Classification

C23C 14/02C23C 14/08C23C 28/00F01D 5/28

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/29/1987

RPI 897

Notificação para pagamento de retribuição

#13.1

12/01/1987

RPI 893

Deferimento

#9.1

08/11/1987

RPI 877

Exigência - art. 36 da LPI

#6.1

10/14/1986

RPI 834

Conhecimento de parecer técnico

#7.1

03/11/1986

RPI 803

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Solicitação de exame técnico

#4.1

04/27/1982

RPI 601

Notificação de entrada na fase nacional - PCT

#1.3

11/24/1981

RPI 579

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C23C 13/02; B32B 15/04; C23C 28/00; F01D 5/28; F02C 7/00; C23C 14/08.

03/27/2018

RPI 2464

Anuidade - prazo legal encerrado

#18.2

06/27/1995

RPI 1282

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