FR392748A - Warning device with air pump for cars - Google Patents

Warning device with air pump for cars

Info

Publication number
FR392748A
FR392748A FR392748DA FR392748A FR 392748 A FR392748 A FR 392748A FR 392748D A FR392748D A FR 392748DA FR 392748 A FR392748 A FR 392748A
Authority
FR
France
Prior art keywords
cars
air pump
warning device
warning
pump
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
August Wohlfarth
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 FR392748A publication Critical patent/FR392748A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/18—Details, e.g. bulbs, pumps, pistons, switches or casings

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
FR392748D 1908-05-12 1908-07-27 Warning device with air pump for cars Expired FR392748A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE392748X 1908-05-12

Publications (1)

Publication Number Publication Date
FR392748A true FR392748A (en) 1908-12-03

Family

ID=1438095

Family Applications (1)

Application Number Title Priority Date Filing Date
FR392748D Expired FR392748A (en) 1908-05-12 1908-07-27 Warning device with air pump for cars

Country Status (1)

Country Link
FR (1) FR392748A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643633A (en) * 1949-03-12 1953-06-30 Abbondandolo Lawrence Pneumatic horn or signal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2643633A (en) * 1949-03-12 1953-06-30 Abbondandolo Lawrence Pneumatic horn or signal

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