US127762A - Improvement in ice-boxes for refrigerators - Google Patents
Improvement in ice-boxes for refrigerators Download PDFInfo
- Publication number
- US127762A US127762A US127762DA US127762A US 127762 A US127762 A US 127762A US 127762D A US127762D A US 127762DA US 127762 A US127762 A US 127762A
- Authority
- US
- United States
- Prior art keywords
- ice
- improvement
- refrigerators
- boxes
- gravenstine
- 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
Links
- 206010022000 Influenza Diseases 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
Images
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
- F24F13/20—Casings or covers
Definitions
- JOHN GRAVENSTINE OF PHILADELPHIA, PENNSYLVANIA.
- This invention is an improvement on the ice-box described in my Letters Patent dated July 25, 1871, and numbered 117 ,408.
- My invention relates to the construction of the ice-box with one or more flues for the passage of currents of air, as hereinafterfully described.
- Figure l is a plan view of the improved icebox A.
- Fig. 2 is a cross-section at the line a b of Fig. 1.
Description
- JOHN GRAVENSTINE.
improvement in l ce-Boxes for Refrigerators. ,NO. l27,762. Patented June H, 1872.
ak h- J WITNESSES I INVENTOR %@/figw 4 M42912,
UNITED STATES PATENT QFFICE.
JOHN GRAVENSTINE, OF PHILADELPHIA, PENNSYLVANIA.
IMPROVEMENT IN ICE-BOXES FOR REFRIGERATORS.
Specification forming part of Letters Patent No. 127,762, dated June 11, 1872.
Specification describing certain Improvements in Refrigerator IceBoxes, invented by J OHN GRAVENSTINE, of the city of Philadelphia and State of Pennsylvania.
This invention is an improvement on the ice-box described in my Letters Patent dated July 25, 1871, and numbered 117 ,408.
My invention relates to the construction of the ice-box with one or more flues for the passage of currents of air, as hereinafterfully described.
Figure l is a plan view of the improved icebox A. Fig. 2 is a cross-section at the line a b of Fig. 1.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US127762A true US127762A (en) | 1872-06-11 |
Family
ID=2197181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US127762D Expired - Lifetime US127762A (en) | Improvement in ice-boxes for refrigerators |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US127762A (en) |
-
0
- US US127762D patent/US127762A/en not_active Expired - Lifetime
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