FR679954A - Perfectionnements aux balances - Google Patents

Perfectionnements aux balances

Info

Publication number: FR679954A
Authority: FR; France
Prior art keywords: scales
Prior art date: 1929-08-06
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

Nathan Abrott Hallwood

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.)

1929-08-06

Filing date

1929-08-06

Publication date

1930-04-23

1929-08-06 Application filed filed Critical

1930-04-23 Application granted granted Critical

1930-04-23 Publication of FR679954A publication Critical patent/FR679954A/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G3/00—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
- G01G3/02—Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a helical spring

Landscapes

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

FR679954D 1929-08-06 1929-08-06 Perfectionnements aux balances Expired FR679954A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR679954T		1929-08-06

Publications (1)

Publication Number	Publication Date
FR679954A true FR679954A (fr)	1930-04-23

Family

ID=9021980

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR679954D Expired FR679954A (fr)	1929-08-06	1929-08-06	Perfectionnements aux balances

Country Status (1)

Country	Link
FR (1)	FR679954A (fr)

1929
- 1929-08-06 FR FR679954D patent/FR679954A/fr not_active Expired

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