CA23906A - Boite de signal a sonnerie - Google Patents

Boite de signal a sonnerie

Info

Publication number: CA23906A
Authority: CA; Canada
Prior art keywords: alarm signal; signal box; box; alarm; signal
Prior art date: 1886-04-27
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

CA000023906A

Other languages

English (en)

Inventor

William R. Mapes

Sidney A. Chase

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.)

Individual

Original Assignee

Individual

Publication date

1886-04-27

1886-04-27 Application granted granted Critical

1886-04-27 Publication of CA23906A publication Critical patent/CA23906A/fr

Status Expired legal-status Critical Current

Links

CA000023906A Boite de signal a sonnerie Expired CA23906A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA23906T

Publications (1)

Publication Number	Publication Date
CA23906A true CA23906A (fr)	1886-04-27

Family

ID=45140449

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000023906A Expired CA23906A (fr)			Boite de signal a sonnerie

Country Status (1)

Country	Link
CA (1)	CA23906A (fr)

0
- CA CA000023906A patent/CA23906A/fr not_active Expired

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