FR567039A - Temperature indicator - Google Patents

Temperature indicator

Info

Publication number: FR567039A
Authority: FR; France
Prior art keywords: temperature indicator; indicator; temperature
Prior art date: 1923-06-05
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired

Application number

Other languages

Inventor

Georges Leday

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1923-06-05

Filing date

1923-06-05

Publication date

1924-02-23

1923-06-05 Application filed filed Critical

1924-02-23 Application granted granted Critical

1924-02-23 Publication of FR567039A publication Critical patent/FR567039A/en

Status Expired legal-status Critical Current

Classifications

- A—HUMAN NECESSITIES
- A45—HAND OR TRAVELLING ARTICLES
- A45D—HAIRDRESSING OR SHAVING EQUIPMENT; EQUIPMENT FOR COSMETICS OR COSMETIC TREATMENTS, e.g. FOR MANICURING OR PEDICURING
- A45D6/00—Details of, or accessories for, hair-curling or hair-waving devices
- A45D6/20—Devices for controlling the temperature of hair curlers
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/12—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in colour, translucency or reflectance

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)

FR567039D 1923-06-05 1923-06-05 Temperature indicator Expired FR567039A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR567039T		1923-06-05

Publications (1)

Publication Number	Publication Date
FR567039A true FR567039A (en)	1924-02-23

Family

ID=8947518

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR567039D Expired FR567039A (en)	1923-06-05	1923-06-05	Temperature indicator

Country Status (1)

Country	Link
FR (1)	FR567039A (en)

1923
- 1923-06-05 FR FR567039D patent/FR567039A/en not_active Expired

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