GB2278197B - Dartboard alignment tool - Google Patents

Dartboard alignment tool

Info

Publication number
GB2278197B
GB2278197B GB9310414A GB9310414A GB2278197B GB 2278197 B GB2278197 B GB 2278197B GB 9310414 A GB9310414 A GB 9310414A GB 9310414 A GB9310414 A GB 9310414A GB 2278197 B GB2278197 B GB 2278197B
Authority
GB
United Kingdom
Prior art keywords
dartboard
alignment tool
alignment
tool
dartboard alignment
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
GB9310414A
Other versions
GB9310414D0 (en
GB2278197A (en
Inventor
Graham Edward Hillier
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 GB9310414A priority Critical patent/GB2278197B/en
Publication of GB9310414D0 publication Critical patent/GB9310414D0/en
Publication of GB2278197A publication Critical patent/GB2278197A/en
Application granted granted Critical
Publication of GB2278197B publication Critical patent/GB2278197B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J3/00—Targets for arrows or darts, e.g. for sporting or amusement purposes
    • F41J3/0009—Dartboards
    • F41J3/0014—Dartboard holders
    • F41J3/0028—Dart cabinets, i.e. cabinets adapted for the dartboard or dartboard accessories
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
    • G01C9/26—Details
    • G01C9/28—Mountings

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
GB9310414A 1993-05-20 1993-05-20 Dartboard alignment tool Expired - Fee Related GB2278197B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9310414A GB2278197B (en) 1993-05-20 1993-05-20 Dartboard alignment tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9310414A GB2278197B (en) 1993-05-20 1993-05-20 Dartboard alignment tool

Publications (3)

Publication Number Publication Date
GB9310414D0 GB9310414D0 (en) 1993-07-07
GB2278197A GB2278197A (en) 1994-11-23
GB2278197B true GB2278197B (en) 1997-03-26

Family

ID=10735828

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9310414A Expired - Fee Related GB2278197B (en) 1993-05-20 1993-05-20 Dartboard alignment tool

Country Status (1)

Country Link
GB (1) GB2278197B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2309523A (en) * 1996-01-23 1997-07-30 Creativity Innovation Logic Lt A location-dependent message system
GB2331582A (en) * 1997-11-19 1999-05-26 Derek John Murphy Multi angle spirit level

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB992918A (en) * 1962-05-18 1965-05-26 Albert Henry Stokes Improvements in or relating to folding spirit levels
US5103574A (en) * 1991-04-11 1992-04-14 Levy Karen K Measuring tool for hanging up pictures and the like
US5113595A (en) * 1990-12-18 1992-05-19 Emus Jr Ronald W Dart board positioning device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB992918A (en) * 1962-05-18 1965-05-26 Albert Henry Stokes Improvements in or relating to folding spirit levels
US5113595A (en) * 1990-12-18 1992-05-19 Emus Jr Ronald W Dart board positioning device
US5103574A (en) * 1991-04-11 1992-04-14 Levy Karen K Measuring tool for hanging up pictures and the like

Also Published As

Publication number Publication date
GB9310414D0 (en) 1993-07-07
GB2278197A (en) 1994-11-23

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Legal Events

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

Effective date: 19980520