FR519015A - Improvements to light signals - Google Patents

Improvements to light signals

Info

Publication number: FR519015A
Authority: FR; France
Prior art keywords: light signals; signals; light
Prior art date: 1916-01-22
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

FR519015A

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.)

Corning Glass Works

Original Assignee

Corning Glass Works

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.)

1916-01-22

Filing date

1920-06-18

Publication date

1921-06-03

1920-06-18 Application filed by Corning Glass Works filed Critical Corning Glass Works

1921-06-03 Application granted granted Critical

1921-06-03 Publication of FR519015A publication Critical patent/FR519015A/en

Status Expired legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
- B61L5/12—Visible signals
- B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
- B61L5/1809—Daylight signals

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)

FR519015A 1916-01-22 1920-06-18 Improvements to light signals Expired FR519015A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US519015XA	1916-01-22	1916-01-22

Publications (1)

Publication Number	Publication Date
FR519015A true FR519015A (en)	1921-06-03

Family

ID=21974061

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR519015A Expired FR519015A (en)	1916-01-22	1920-06-18	Improvements to light signals

Country Status (1)

Country	Link
FR (1)	FR519015A (en)

1920
- 1920-06-18 FR FR519015A patent/FR519015A/en not_active Expired

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