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GB2173098B - Portable periscope - Google Patents

Portable periscope

Info

Publication number
GB2173098B
GB2173098B GB8605976A GB8605976A GB2173098B GB 2173098 B GB2173098 B GB 2173098B GB 8605976 A GB8605976 A GB 8605976A GB 8605976 A GB8605976 A GB 8605976A GB 2173098 B GB2173098 B GB 2173098B
Authority
GB
United Kingdom
Prior art keywords
portable periscope
periscope
portable
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
GB8605976A
Other versions
GB8605976D0 (en
GB2173098A (en
Inventor
Michael David King
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
Publication of GB8605976D0 publication Critical patent/GB8605976D0/en
Publication of GB2173098A publication Critical patent/GB2173098A/en
Application granted granted Critical
Publication of GB2173098B publication Critical patent/GB2173098B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
    • G02B23/08—Periscopes
    • A—HUMAN NECESSITIES
    • A45—HAND OR TRAVELLING ARTICLES
    • A45B—WALKING STICKS; UMBRELLAS; LADIES' OR LIKE FANS
    • A45B3/00—Sticks combined with other objects

Landscapes

  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Telescopes (AREA)
GB8605976A 1985-03-13 1986-03-11 Portable periscope Expired GB2173098B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB858506439A GB8506439D0 (en) 1985-03-13 1985-03-13 Portable periscope

Publications (3)

Publication Number Publication Date
GB8605976D0 GB8605976D0 (en) 1986-04-16
GB2173098A GB2173098A (en) 1986-10-08
GB2173098B true GB2173098B (en) 1989-06-28

Family

ID=10575903

Family Applications (2)

Application Number Title Priority Date Filing Date
GB858506439A Pending GB8506439D0 (en) 1985-03-13 1985-03-13 Portable periscope
GB8605976A Expired GB2173098B (en) 1985-03-13 1986-03-11 Portable periscope

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB858506439A Pending GB8506439D0 (en) 1985-03-13 1985-03-13 Portable periscope

Country Status (1)

Country Link
GB (2) GB8506439D0 (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB370648A (en) * 1931-04-08 1932-04-14 Freeman Harrison Owens Improvements in or relating to elevating supports for still or motion picture cameras
GB567520A (en) * 1944-08-22 1945-02-16 William John Phillips Improvements relating to a reflecting appliance for providing visual aid
GB1062908A (en) * 1964-11-20 1967-03-22 Birfield Filtration Ltd Improvements in or relating to mirrors
GB1085924A (en) * 1965-08-20 1967-10-04 Eric Ralph Hill Combined seat walking stick and periscope

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB370648A (en) * 1931-04-08 1932-04-14 Freeman Harrison Owens Improvements in or relating to elevating supports for still or motion picture cameras
GB567520A (en) * 1944-08-22 1945-02-16 William John Phillips Improvements relating to a reflecting appliance for providing visual aid
GB1062908A (en) * 1964-11-20 1967-03-22 Birfield Filtration Ltd Improvements in or relating to mirrors
GB1085924A (en) * 1965-08-20 1967-10-04 Eric Ralph Hill Combined seat walking stick and periscope

Also Published As

Publication number Publication date
GB8605976D0 (en) 1986-04-16
GB2173098A (en) 1986-10-08
GB8506439D0 (en) 1985-04-17

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Legal Events

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

Effective date: 19950311