FR496796A - Method and device for locating and indicating the presence of submarines and slowing their progress - Google Patents

Method and device for locating and indicating the presence of submarines and slowing their progress

Info

Publication number
FR496796A
FR496796A FR496796DA FR496796A FR 496796 A FR496796 A FR 496796A FR 496796D A FR496796D A FR 496796DA FR 496796 A FR496796 A FR 496796A
Authority
FR
France
Prior art keywords
submarines
slowing
locating
progress
indicating
Prior art date
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
French (fr)
Inventor
William Thompson
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
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of FR496796A publication Critical patent/FR496796A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
    • F41H11/00—Defence installations; Defence devices
    • F41H11/05—Net barriers for harbour defence

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR496796D 1917-08-09 1918-08-06 Method and device for locating and indicating the presence of submarines and slowing their progress Expired FR496796A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB496796X 1917-08-09

Publications (1)

Publication Number Publication Date
FR496796A true FR496796A (en) 1919-11-15

Family

ID=1532180

Family Applications (1)

Application Number Title Priority Date Filing Date
FR496796D Expired FR496796A (en) 1917-08-09 1918-08-06 Method and device for locating and indicating the presence of submarines and slowing their progress

Country Status (1)

Country Link
FR (1) FR496796A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015011437A3 (en) * 2013-07-24 2015-08-06 Bcb International Limited Air cannon and associated launch canister for a line-fouling system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015011437A3 (en) * 2013-07-24 2015-08-06 Bcb International Limited Air cannon and associated launch canister for a line-fouling system
US10030943B2 (en) 2013-07-24 2018-07-24 Bcb International Limited Air cannon and associated launch canister for a line-fouling system
USRE48356E1 (en) 2013-07-24 2020-12-15 Bcb International Limited Air cannon and associated launch canister for a line-fouling system

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