US108628A - Improvement in gates - Google Patents
Improvement in gates Download PDFInfo
- Publication number
- US108628A US108628A US108628DA US108628A US 108628 A US108628 A US 108628A US 108628D A US108628D A US 108628DA US 108628 A US108628 A US 108628A
- Authority
- US
- United States
- Prior art keywords
- gates
- improvement
- 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
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
- E05F13/00—Mechanisms operated by the movement or weight of a person or vehicle
- E05F13/04—Mechanisms operated by the movement or weight of a person or vehicle by platforms lowered by the weight of the user
Landscapes
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Amplifiers (AREA)
Description
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US108628A true US108628A (en) | 1870-10-25 |
Family
ID=2178102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US108628D Expired - Lifetime US108628A (en) | Improvement in gates |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US108628A (en) |
-
0
- US US108628D patent/US108628A/en not_active Expired - Lifetime
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