GB201311143D0 - Megaphone - Google Patents

Megaphone

Info

Publication number
GB201311143D0
GB201311143D0 GBGB1311143.0A GB201311143A GB201311143D0 GB 201311143 D0 GB201311143 D0 GB 201311143D0 GB 201311143 A GB201311143 A GB 201311143A GB 201311143 D0 GB201311143 D0 GB 201311143D0
Authority
GB
United Kingdom
Prior art keywords
megaphone
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.)
Withdrawn
Application number
GBGB1311143.0A
Other versions
GB2515477A (en
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
Priority to GB1311143.0A priority Critical patent/GB2515477A/en
Publication of GB201311143D0 publication Critical patent/GB201311143D0/en
Publication of GB2515477A publication Critical patent/GB2515477A/en
Withdrawn legal-status Critical Current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
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/08—Non-electric sound-amplifying devices, e.g. non-electric megaphones

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Buffer Packaging (AREA)
GB1311143.0A 2013-06-23 2013-06-23 Megaphone Withdrawn GB2515477A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1311143.0A GB2515477A (en) 2013-06-23 2013-06-23 Megaphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1311143.0A GB2515477A (en) 2013-06-23 2013-06-23 Megaphone

Publications (2)

Publication Number Publication Date
GB201311143D0 true GB201311143D0 (en) 2013-08-07
GB2515477A GB2515477A (en) 2014-12-31

Family

ID=48950317

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1311143.0A Withdrawn GB2515477A (en) 2013-06-23 2013-06-23 Megaphone

Country Status (1)

Country Link
GB (1) GB2515477A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20170309265A1 (en) * 2016-04-22 2017-10-26 Victor Ly Megaphone Device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10319967A (en) * 1997-05-19 1998-12-04 Masataka Kawasaki Foldable triangular megaphone
FR2777108B1 (en) * 1998-03-27 2002-08-30 Jerome Faure MULTI-PURPOSE VOICE HOLDER, WHICH CAN BE USED AS A COMMUNICATION MEDIUM, AS WELL AS A DEVELOPMENT EXAMPLE FOR ITS MANUFACTURE
JP2009151255A (en) * 2007-12-18 2009-07-09 Hiroaki Nagashima Megaphone

Also Published As

Publication number Publication date
GB2515477A (en) 2014-12-31

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)