CA396076A - Protective and alarm system - Google Patents

Protective and alarm system

Info

Publication number: CA396076A
Authority: CA; Canada
Prior art keywords: protective; alarm system; alarm
Prior art date: 1941-04-22
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

CA396076A

Other languages

French (fr)

Inventor

Vroom Edward

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.)

AT&T Corp

Original Assignee

Western Electric Co Inc

Publication date

1941-04-22

1941-04-22 Application granted granted Critical

1941-04-22 Publication of CA396076A publication Critical patent/CA396076A/en

Status Expired legal-status Critical Current

Links

230000001681 protective effect Effects 0.000 title 1

CA396076A Protective and alarm system Expired CA396076A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA396076T

Publications (1)

Publication Number	Publication Date
CA396076A true CA396076A (en)	1941-04-22

Family

ID=35403517

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA396076A Expired CA396076A (en)			Protective and alarm system

Country Status (1)

Country	Link
CA (1)	CA396076A (en)

0
- CA CA396076A patent/CA396076A/en not_active Expired

Similar Documents

Publication	Publication Date	Title
CA396076A (en)	1941-04-22	Protective and alarm system
CA394401A (en)	1941-02-04	Alarm system
CA394942A (en)	1941-03-04	Alarm system
CA398726A (en)	1941-08-19	Fire alarm system
CA397916A (en)	1941-07-15	Fire alarm system
CA394039A (en)	1941-01-21	Burglar and fire alarm
CA395079A (en)	1941-03-11	Burglar and fire alarm
CA399285A (en)	1941-09-16	Burglar and fire alarm
CA396312A (en)	1941-05-06	Guard and roadlight protective device
CA404078A (en)	1942-04-14	Relay and protective system
CA398192A (en)	1941-07-22	Radio alarm system
AU114439B2 (en)	1942-01-15	Electric protective system
AU115782B2 (en)	1942-09-10	Fish-spear and speargun
CA400419A (en)	1941-11-04	Pilot protective system
CA399438A (en)	1941-09-23	Power system protection
CA398710A (en)	1941-08-19	Porcelain-surface protection
CA394683A (en)	1941-02-18	Bumper and guard structure
CA394684A (en)	1941-02-18	Bumper and guard structure
CA399081A (en)	1941-09-02	Tire alarm
AU435740A (en)	1942-01-15	Electric protective system
CA393658A (en)	1941-01-07	Signal system
CA401321A (en)	1941-12-09	Protective goggles
AU336641A (en)	1942-09-10	Fish-spear and speargun
CA397800A (en)	1941-07-08	Aerial and feeder system
CA401135A (en)	1941-12-02	Pressure system and apparatus