BE509662A - - Google Patents

Info

Publication number: BE509662A
Authority: BE; Belgium

Application number

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.)

1951-03-07

Publication of BE509662A publication Critical patent/BE509662A/xx

Classifications

- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D17/00—Caps for supporting mine roofs
- E21D17/02—Cantilever extension or similar protecting devices
- E21D17/08—Cap joints for obtaining a coal-face free of pit-props
- E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Life Sciences & Earth Sciences (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Geology (AREA)
Bridges Or Land Bridges (AREA)
Conveying And Assembling Of Building Elements In Situ (AREA)

BE509662D 1951-03-07 BE509662A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL709240X		1951-03-07
NL760654X		1953-10-29

Publications (1)

Publication Number	Publication Date
BE509662A true BE509662A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Family

ID=31980708

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
BE532795D BE532795A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)	1951-03-07
BE509662D BE509662A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)	1951-03-07
BE509661D BE509661A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)	1951-03-07

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
BE532795D BE532795A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)	1951-03-07

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
BE509661D BE509661A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)	1951-03-07

Country Status (4)

Country	Link
BE (3)	BE509661A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (3)	FR1051786A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (3)	GB709241A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL (4)	NL159680B (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

0
- NL NL89595D patent/NL89595C/xx active
- BE BE532795D patent/BE532795A/xx unknown
- NL NL159679D patent/NL159679A/xx unknown
- BE BE509662D patent/BE509662A/xx unknown
- BE BE509661D patent/BE509661A/xx unknown
- NL NLAANVRAGE7206200,A patent/NL182433B/xx unknown
- NL NL6811291.A patent/NL159680B/xx unknown
1952
- 1952-02-23 FR FR1051786D patent/FR1051786A/fr not_active Expired
- 1952-02-28 FR FR1051869D patent/FR1051869A/fr not_active Expired
- 1952-03-03 GB GB5535/52A patent/GB709241A/en not_active Expired
- 1952-03-03 GB GB5534/52A patent/GB709240A/en not_active Expired
1954
- 1954-10-25 GB GB30683/54A patent/GB760654A/en not_active Expired
- 1954-10-26 FR FR67282D patent/FR67282E/fr active Active

Also Published As

Publication number	Publication date
NL159680B (nl)
BE509661A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR1051786A (fr)	1954-01-19
NL159679A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR67282E (fr)
GB709240A (en)	1954-05-19
FR1051869A (fr)	1954-01-19
NL89595C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
NL182433B (nl)
GB760654A (en)	1956-11-07
BE532795A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB709241A (en)	1954-05-19

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