GB8923269D0 - The improvements for rail transportations - Google Patents

The improvements for rail transportations

Info

Publication number
GB8923269D0
GB8923269D0 GB898923269A GB8923269A GB8923269D0 GB 8923269 D0 GB8923269 D0 GB 8923269D0 GB 898923269 A GB898923269 A GB 898923269A GB 8923269 A GB8923269 A GB 8923269A GB 8923269 D0 GB8923269 D0 GB 8923269D0
Authority
GB
United Kingdom
Prior art keywords
transportations
rail
rail transportations
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.)
Granted
Application number
GB898923269A
Other versions
GB2237253B (en
GB2237253A (en
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.)
LEUNG TIMOTHY B
Original Assignee
LEUNG TIMOTHY B
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 LEUNG TIMOTHY B filed Critical LEUNG TIMOTHY B
Priority to GB8923269A priority Critical patent/GB2237253B/en
Publication of GB8923269D0 publication Critical patent/GB8923269D0/en
Publication of GB2237253A publication Critical patent/GB2237253A/en
Application granted granted Critical
Publication of GB2237253B publication Critical patent/GB2237253B/en
Priority to HK34995A priority patent/HK34995A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B25/00—Tracks for special kinds of railways
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B5/00—Rails; Guard rails; Distance-keeping means for them
    • E01B5/02—Rails
    • E01B5/04—Grooved rails

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
GB8923269A 1989-10-16 1989-10-16 Improvements in rail transportation systems Expired - Fee Related GB2237253B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB8923269A GB2237253B (en) 1989-10-16 1989-10-16 Improvements in rail transportation systems
HK34995A HK34995A (en) 1989-10-16 1995-03-16 Improvements in rail transporation systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8923269A GB2237253B (en) 1989-10-16 1989-10-16 Improvements in rail transportation systems

Publications (3)

Publication Number Publication Date
GB8923269D0 true GB8923269D0 (en) 1989-12-06
GB2237253A GB2237253A (en) 1991-05-01
GB2237253B GB2237253B (en) 1994-10-19

Family

ID=10664653

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8923269A Expired - Fee Related GB2237253B (en) 1989-10-16 1989-10-16 Improvements in rail transportation systems

Country Status (2)

Country Link
GB (1) GB2237253B (en)
HK (1) HK34995A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2715623B1 (en) * 1994-02-01 1996-04-05 Paul Glassey Air transport installation by rail.
CN112252093B (en) * 2020-09-25 2022-05-17 国网福建省电力有限公司 Special track for construction and transportation of power transmission line and construction method thereof

Also Published As

Publication number Publication date
GB2237253B (en) 1994-10-19
HK34995A (en) 1995-03-24
GB2237253A (en) 1991-05-01

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Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19941221

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20011016