FR476971A - Machine à calculer - Google Patents

Machine à calculer

Info

Publication number: FR476971A
Authority: FR; France
Prior art keywords: calculator
Prior art date: 1914-02-20
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

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

ADDOMETER CORP

Original Assignee

ADDOMETER CORP

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.)

1914-02-20

Filing date

1914-02-20

Publication date

1915-09-15

1914-02-20 Application filed by ADDOMETER CORP filed Critical ADDOMETER CORP

1915-09-15 Application granted granted Critical

1915-09-15 Publication of FR476971A publication Critical patent/FR476971A/fr

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
- G06C7/00—Input mechanisms
- G06C7/02—Keyboards
- G06C7/06—Keyboards with one set of keys for each denomination

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Computer Hardware Design (AREA)
Computing Systems (AREA)
General Physics & Mathematics (AREA)
Theoretical Computer Science (AREA)

FR476971D 1914-02-20 1914-02-20 Machine à calculer Expired FR476971A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR476971T		1914-02-20

Publications (1)

Publication Number	Publication Date
FR476971A true FR476971A (fr)	1915-09-15

Family

ID=1514686

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR476971D Expired FR476971A (fr)	1914-02-20	1914-02-20	Machine à calculer

Country Status (1)

Country	Link
FR (1)	FR476971A (fr)

1914
- 1914-02-20 FR FR476971D patent/FR476971A/fr not_active Expired

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