US1557852A - Galvanized-iron ventilator - Google Patents

Galvanized-iron ventilator Download PDF

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Publication number
US1557852A
US1557852A US582064A US58206422A US1557852A US 1557852 A US1557852 A US 1557852A US 582064 A US582064 A US 582064A US 58206422 A US58206422 A US 58206422A US 1557852 A US1557852 A US 1557852A
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US
United States
Prior art keywords
ventilator
galvanized
iron
iron ventilator
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 - Lifetime
Application number
US582064A
Inventor
Lauerman Clarence Haines
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to US582064A priority Critical patent/US1557852A/en
Application granted granted Critical
Publication of US1557852A publication Critical patent/US1557852A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • F24F7/02—Roof ventilation

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Coating With Molten Metal (AREA)

Description

US582064A 1922-08-15 1922-08-15 Galvanized-iron ventilator Expired - Lifetime US1557852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US582064A US1557852A (en) 1922-08-15 1922-08-15 Galvanized-iron ventilator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US582064A US1557852A (en) 1922-08-15 1922-08-15 Galvanized-iron ventilator

Publications (1)

Publication Number Publication Date
US1557852A true US1557852A (en) 1925-10-20

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ID=24327687

Family Applications (1)

Application Number Title Priority Date Filing Date
US582064A Expired - Lifetime US1557852A (en) 1922-08-15 1922-08-15 Galvanized-iron ventilator

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US (1) US1557852A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5868615A (en) * 1998-02-27 1999-02-09 Page; Calvin A. Chimney draft inducer
US20180044303A1 (en) * 2015-03-10 2018-02-15 Pottayil Govindan N. Sasikumar 1,2,4-oxadiazole and thiadiazole compounds as immunomodulators

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5868615A (en) * 1998-02-27 1999-02-09 Page; Calvin A. Chimney draft inducer
US20180044303A1 (en) * 2015-03-10 2018-02-15 Pottayil Govindan N. Sasikumar 1,2,4-oxadiazole and thiadiazole compounds as immunomodulators

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