GB2325952B - Cover - Google Patents

Cover

Info

Publication number
GB2325952B
GB2325952B GB9811857A GB9811857A GB2325952B GB 2325952 B GB2325952 B GB 2325952B GB 9811857 A GB9811857 A GB 9811857A GB 9811857 A GB9811857 A GB 9811857A GB 2325952 B GB2325952 B GB 2325952B
Authority
GB
United Kingdom
Prior art keywords
cover
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
GB9811857A
Other versions
GB2325952A (en
GB2325952A8 (en
GB9811857D0 (en
GB2325952B8 (en
Inventor
Richard Stanley Green
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.)
AW Creative Technologies Ltd
Original Assignee
AW Creative Technologies Ltd
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 AW Creative Technologies Ltd filed Critical AW Creative Technologies Ltd
Publication of GB9811857D0 publication Critical patent/GB9811857D0/en
Publication of GB2325952A publication Critical patent/GB2325952A/en
Publication of GB2325952B publication Critical patent/GB2325952B/en
Application granted granted Critical
Publication of GB2325952A8 publication Critical patent/GB2325952A8/en
Publication of GB2325952B8 publication Critical patent/GB2325952B8/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D2200/00—Geometrical or physical properties
    • E02D2200/14—Geometrical or physical properties resilient or elastic
    • E02D2200/146—Springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
GB9811857A 1997-06-05 1998-06-02 Cover Expired - Fee Related GB2325952B8 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9711666.9A GB9711666D0 (en) 1997-06-05 1997-06-05 Cover

Publications (5)

Publication Number Publication Date
GB9811857D0 GB9811857D0 (en) 1998-07-29
GB2325952A GB2325952A (en) 1998-12-09
GB2325952B true GB2325952B (en) 1999-06-09
GB2325952A8 GB2325952A8 (en) 2011-07-06
GB2325952B8 GB2325952B8 (en) 2011-07-06

Family

ID=10813636

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9711666.9A Pending GB9711666D0 (en) 1997-06-05 1997-06-05 Cover
GB9811857A Expired - Fee Related GB2325952B8 (en) 1997-06-05 1998-06-02 Cover

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9711666.9A Pending GB9711666D0 (en) 1997-06-05 1997-06-05 Cover

Country Status (1)

Country Link
GB (2) GB9711666D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106638701A (en) * 2016-11-22 2017-05-10 桂林市水利电力勘测设计研究院 Electrically opened and closed lock chamber cover plate and installing method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085433A2 (en) * 1982-02-02 1983-08-10 Karlheinz Neu Cover for a manhole or shaft
GB2163467A (en) * 1984-07-13 1986-02-26 Turner Bros Manhole cover with torsion spring hinge to facilitate opening
US4669625A (en) * 1986-04-29 1987-06-02 Garsite Products, Inc. Easy opening lid
US5507590A (en) * 1994-08-04 1996-04-16 Argandona; Toby Cover assembly for manholes and the like

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085433A2 (en) * 1982-02-02 1983-08-10 Karlheinz Neu Cover for a manhole or shaft
GB2163467A (en) * 1984-07-13 1986-02-26 Turner Bros Manhole cover with torsion spring hinge to facilitate opening
US4669625A (en) * 1986-04-29 1987-06-02 Garsite Products, Inc. Easy opening lid
US5507590A (en) * 1994-08-04 1996-04-16 Argandona; Toby Cover assembly for manholes and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106638701A (en) * 2016-11-22 2017-05-10 桂林市水利电力勘测设计研究院 Electrically opened and closed lock chamber cover plate and installing method thereof

Also Published As

Publication number Publication date
GB2325952A (en) 1998-12-09
GB2325952A8 (en) 2011-07-06
GB9811857D0 (en) 1998-07-29
GB9711666D0 (en) 1997-08-06
GB2325952B8 (en) 2011-07-06

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Legal Events

Date Code Title Description
S117 Correction of errors in patents and applications (sect. 117/patents act 1977)

Free format text: REQUEST FILED; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 26 JULY 2010

S117 Correction of errors in patents and applications (sect. 117/patents act 1977)

Free format text: CORRECTIONS ALLOWED; REQUEST FOR CORRECTION UNDER SECTION 117 FILED ON 26 JULY 2010 ALLOWED ON 3 MAY 2011

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20110804 AND 20110810

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20160602