FR2207262A1 - - Google Patents
Info
- Publication number
- FR2207262A1 FR2207262A1 FR7241225A FR7241225A FR2207262A1 FR 2207262 A1 FR2207262 A1 FR 2207262A1 FR 7241225 A FR7241225 A FR 7241225A FR 7241225 A FR7241225 A FR 7241225A FR 2207262 A1 FR2207262 A1 FR 2207262A1
- Authority
- FR
- France
- 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
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
- F24F7/00—Ventilation
- F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7241225A FR2207262B1 (en) | 1972-11-21 | 1972-11-21 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7241225A FR2207262B1 (en) | 1972-11-21 | 1972-11-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2207262A1 true FR2207262A1 (en) | 1974-06-14 |
FR2207262B1 FR2207262B1 (en) | 1976-04-23 |
Family
ID=9107440
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7241225A Expired FR2207262B1 (en) | 1972-11-21 | 1972-11-21 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2207262B1 (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2214479A (en) * | 1939-12-29 | 1940-09-10 | Russell James Hearn | Hot air furnace circulating means |
US2234633A (en) * | 1940-04-19 | 1941-03-11 | Honeywell Regulator Co | Air conditioning system |
US2302818A (en) * | 1939-11-29 | 1942-11-24 | Ralph R P Turner | Air conditioning system |
US2561290A (en) * | 1947-05-06 | 1951-07-17 | Thomas J Payant | Heating apparatus |
CH349393A (en) * | 1958-01-17 | 1960-10-15 | Picard Leon | Heating device for the different rooms of a dwelling |
US3000290A (en) * | 1958-02-10 | 1961-09-19 | Steam O Matic Corp | Method and apparatus for ventilating poultry and like houses |
US3067316A (en) * | 1960-05-20 | 1962-12-04 | Worthington Corp | Electrical duct heater |
US3415178A (en) * | 1967-05-04 | 1968-12-10 | Ilg Ind Inc | Ventilating system and device |
-
1972
- 1972-11-21 FR FR7241225A patent/FR2207262B1/fr not_active Expired
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2302818A (en) * | 1939-11-29 | 1942-11-24 | Ralph R P Turner | Air conditioning system |
US2214479A (en) * | 1939-12-29 | 1940-09-10 | Russell James Hearn | Hot air furnace circulating means |
US2234633A (en) * | 1940-04-19 | 1941-03-11 | Honeywell Regulator Co | Air conditioning system |
US2561290A (en) * | 1947-05-06 | 1951-07-17 | Thomas J Payant | Heating apparatus |
CH349393A (en) * | 1958-01-17 | 1960-10-15 | Picard Leon | Heating device for the different rooms of a dwelling |
US3000290A (en) * | 1958-02-10 | 1961-09-19 | Steam O Matic Corp | Method and apparatus for ventilating poultry and like houses |
US3067316A (en) * | 1960-05-20 | 1962-12-04 | Worthington Corp | Electrical duct heater |
US3415178A (en) * | 1967-05-04 | 1968-12-10 | Ilg Ind Inc | Ventilating system and device |
Also Published As
Publication number | Publication date |
---|---|
FR2207262B1 (en) | 1976-04-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |