KR950006904U - 맨홀공기 순환장치 - Google Patents
맨홀공기 순환장치Info
- Publication number
- KR950006904U KR950006904U KR2019930016284U KR930016284U KR950006904U KR 950006904 U KR950006904 U KR 950006904U KR 2019930016284 U KR2019930016284 U KR 2019930016284U KR 930016284 U KR930016284 U KR 930016284U KR 950006904 U KR950006904 U KR 950006904U
- Authority
- KR
- South Korea
- Prior art keywords
- air circulation
- circulation system
- manhole
- manhole air
- circulation
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/029—Duct comprising an opening for inspection, e.g. manhole
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019930016284U KR950006271Y1 (ko) | 1993-08-21 | 1993-08-21 | 맨홀공기 순환장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019930016284U KR950006271Y1 (ko) | 1993-08-21 | 1993-08-21 | 맨홀공기 순환장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR950006904U true KR950006904U (ko) | 1995-03-21 |
| KR950006271Y1 KR950006271Y1 (ko) | 1995-08-05 |
Family
ID=19361714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019930016284U KR950006271Y1 (ko) | 1993-08-21 | 1993-08-21 | 맨홀공기 순환장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR950006271Y1 (ko) |
-
1993
- 1993-08-21 KR KR2019930016284U patent/KR950006271Y1/ko not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| KR950006271Y1 (ko) | 1995-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A201 | Request for examination | ||
| UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19930821 |
|
| UA0201 | Request for examination |
Patent event date: 19930821 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
| UG1501 | Laying open of application | ||
| UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19950713 |
|
| E701 | Decision to grant or registration of patent right | ||
| UE0701 | Decision of registration |
Patent event date: 19951030 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |
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| REGI | Registration of establishment | ||
| UR0701 | Registration of establishment |
Patent event date: 19951121 Patent event code: UR07011E01D Comment text: Registration of Establishment |
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| UR1002 | Payment of registration fee |
Start annual number: 1 End annual number: 3 Payment date: 19951121 |
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| UR1001 | Payment of annual fee |
Payment date: 19980804 Start annual number: 4 End annual number: 5 |
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| UR1001 | Payment of annual fee |
Payment date: 20000808 Start annual number: 6 End annual number: 7 |
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| UR1001 | Payment of annual fee |
Payment date: 20021104 Start annual number: 8 End annual number: 8 |
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| UR1001 | Payment of annual fee |
Payment date: 20030805 Start annual number: 9 End annual number: 9 |
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| UR1001 | Payment of annual fee |
Payment date: 20040805 Start annual number: 10 End annual number: 10 |
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| UR1001 | Payment of annual fee |
Payment date: 20050801 Start annual number: 11 End annual number: 11 |
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| UR1001 | Payment of annual fee |
Payment date: 20060807 Start annual number: 12 End annual number: 12 |
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| FPAY | Annual fee payment |
Payment date: 20080211 Year of fee payment: 13 |
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| UR1001 | Payment of annual fee |
Payment date: 20080211 Start annual number: 13 End annual number: 13 |
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| EXPY | Expiration of term | ||
| UC1801 | Expiration of term |
Termination category: Expiration of duration Termination date: 20090509 |