GB2296933B - Audible portable warning system for extension ladders - Google Patents

Audible portable warning system for extension ladders

Info

Publication number
GB2296933B
GB2296933B GB9500469A GB9500469A GB2296933B GB 2296933 B GB2296933 B GB 2296933B GB 9500469 A GB9500469 A GB 9500469A GB 9500469 A GB9500469 A GB 9500469A GB 2296933 B GB2296933 B GB 2296933B
Authority
GB
United Kingdom
Prior art keywords
audible
warning system
portable warning
extension ladders
ladders
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 - Fee Related
Application number
GB9500469A
Other versions
GB9500469D0 (en
GB2296933A (en
Inventor
Robert Leslie Hobbs
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 GB9500469A priority Critical patent/GB2296933B/en
Publication of GB9500469D0 publication Critical patent/GB9500469D0/en
Publication of GB2296933A publication Critical patent/GB2296933A/en
Application granted granted Critical
Publication of GB2296933B publication Critical patent/GB2296933B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/003—Indicating devices, e.g. user warnings or inclinators

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
GB9500469A 1995-01-11 1995-01-11 Audible portable warning system for extension ladders Expired - Fee Related GB2296933B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9500469A GB2296933B (en) 1995-01-11 1995-01-11 Audible portable warning system for extension ladders

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9500469A GB2296933B (en) 1995-01-11 1995-01-11 Audible portable warning system for extension ladders

Publications (3)

Publication Number Publication Date
GB9500469D0 GB9500469D0 (en) 1995-03-01
GB2296933A GB2296933A (en) 1996-07-17
GB2296933B true GB2296933B (en) 1998-03-25

Family

ID=10767843

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9500469A Expired - Fee Related GB2296933B (en) 1995-01-11 1995-01-11 Audible portable warning system for extension ladders

Country Status (1)

Country Link
GB (1) GB2296933B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020023914A1 (en) * 2018-07-27 2020-01-30 Wing Enterprises, Incorporated Last step indicator for ladders and ladders incorporating same

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29818257U1 (en) 1998-10-13 1999-01-07 Baltschukat, Hans Otto, 33619 Bielefeld Accessible ascent and descent
US6486788B1 (en) * 2001-08-07 2002-11-26 Mike Zagone Audible safety warning system
GB2408540A (en) * 2003-11-27 2005-06-01 David Hayden Ladder inclination indicator
CN105443026B (en) * 2015-12-04 2017-11-17 国家电网公司 A kind of high-voltage line hanging ladder
FR3074212A1 (en) * 2017-11-26 2019-05-31 Maurice Gabourg ECLINOTEST
GB2585941B (en) * 2019-07-26 2021-08-18 Anthony Sandford Spencer Alert device for a ladder

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020023914A1 (en) * 2018-07-27 2020-01-30 Wing Enterprises, Incorporated Last step indicator for ladders and ladders incorporating same
EP3830376A4 (en) * 2018-07-27 2022-06-15 Little Giant Ladder Systems, LLC Last step indicator for ladders and ladders incorporating same
US11788353B2 (en) 2018-07-27 2023-10-17 Little Giant Ladder Systems, Llc Last step indicator for ladders and ladders incorporating same
EP4328881A3 (en) * 2018-07-27 2024-03-13 Little Giant Ladder Systems, LLC Last step indicator for ladders and ladders incorporating same

Also Published As

Publication number Publication date
GB9500469D0 (en) 1995-03-01
GB2296933A (en) 1996-07-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20090111