US165469A - Improvement in devices for regulating car-ventilators - Google Patents
Improvement in devices for regulating car-ventilators Download PDFInfo
- Publication number
- US165469A US165469A US165469DA US165469A US 165469 A US165469 A US 165469A US 165469D A US165469D A US 165469DA US 165469 A US165469 A US 165469A
- Authority
- US
- United States
- Prior art keywords
- ventilators
- improvement
- devices
- regulating car
- regulating
- 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
- 230000001105 regulatory effect Effects 0.000 title 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F17/00—Special devices for shifting a plurality of wings operated simultaneously
Landscapes
- Air-Conditioning For Vehicles (AREA)
Description
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US165469A true US165469A (en) | 1875-07-13 |
Family
ID=2234878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US165469D Expired - Lifetime US165469A (en) | Improvement in devices for regulating car-ventilators |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US165469A (en) |
-
0
- US US165469D patent/US165469A/en not_active Expired - Lifetime
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