GB2304974B - Selector devices - Google Patents

Selector devices

Info

Publication number
GB2304974B
GB2304974B GB9617922A GB9617922A GB2304974B GB 2304974 B GB2304974 B GB 2304974B GB 9617922 A GB9617922 A GB 9617922A GB 9617922 A GB9617922 A GB 9617922A GB 2304974 B GB2304974 B GB 2304974B
Authority
GB
United Kingdom
Prior art keywords
selector devices
selector
devices
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
GB9617922A
Other versions
GB9617922D0 (en
GB2304974A (en
Inventor
June Douglas
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
Priority claimed from GBGB9517840.6A external-priority patent/GB9517840D0/en
Application filed by Individual filed Critical Individual
Priority to GB9617922A priority Critical patent/GB2304974B/en
Publication of GB9617922D0 publication Critical patent/GB9617922D0/en
Publication of GB2304974A publication Critical patent/GB2304974A/en
Application granted granted Critical
Publication of GB2304974B publication Critical patent/GB2304974B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B15/00—Teaching music

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • Physics & Mathematics (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Toys (AREA)
GB9617922A 1995-09-01 1996-08-28 Selector devices Expired - Fee Related GB2304974B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9617922A GB2304974B (en) 1995-09-01 1996-08-28 Selector devices

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9517840.6A GB9517840D0 (en) 1995-09-01 1995-09-01 Selector devices
GB9617922A GB2304974B (en) 1995-09-01 1996-08-28 Selector devices

Publications (3)

Publication Number Publication Date
GB9617922D0 GB9617922D0 (en) 1996-10-09
GB2304974A GB2304974A (en) 1997-03-26
GB2304974B true GB2304974B (en) 1999-09-29

Family

ID=26307668

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9617922A Expired - Fee Related GB2304974B (en) 1995-09-01 1996-08-28 Selector devices

Country Status (1)

Country Link
GB (1) GB2304974B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151018A (en) * 1983-12-06 1985-07-10 Gunsons Sortex Ltd Sorting machine and method
GB2175822A (en) * 1985-04-09 1986-12-10 De Beers Ind Diamond Separation method and apparatus
US4834385A (en) * 1987-12-28 1989-05-30 Jackson Gary L Random ball selector apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2151018A (en) * 1983-12-06 1985-07-10 Gunsons Sortex Ltd Sorting machine and method
GB2175822A (en) * 1985-04-09 1986-12-10 De Beers Ind Diamond Separation method and apparatus
US4834385A (en) * 1987-12-28 1989-05-30 Jackson Gary L Random ball selector apparatus

Also Published As

Publication number Publication date
GB9617922D0 (en) 1996-10-09
GB2304974A (en) 1997-03-26

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Legal Events

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

Effective date: 20110828