USD386237S - Double helix ladder - Google Patents
Double helix ladder Download PDFInfo
- Publication number
- USD386237S USD386237S US29/043,162 US4316295F USD386237S US D386237 S USD386237 S US D386237S US 4316295 F US4316295 F US 4316295F US D386237 S USD386237 S US D386237S
- Authority
- US
- United States
- Prior art keywords
- double helix
- ladder
- helix ladder
- double
- ornamental design
- 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
Description
FIG. 1 is a perspective view of the ladder of the subject invention;
FIG. 2 is a side plan view of the ladder of the subject invention, the opposite side being a mirror image thereof;
FIG. 3 is a top plan view of the ladder of the subject invention; and,
FIG. 4 is a bottom plan view of the ladder of the subject invention.
Claims (1)
- The ornamental design for a double helix ladder, as shown and described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/043,162 USD386237S (en) | 1995-08-28 | 1995-08-28 | Double helix ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US29/043,162 USD386237S (en) | 1995-08-28 | 1995-08-28 | Double helix ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| USD386237S true USD386237S (en) | 1997-11-11 |
Family
ID=71461702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US29/043,162 Expired - Lifetime USD386237S (en) | 1995-08-28 | 1995-08-28 | Double helix ladder |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | USD386237S (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD553040S1 (en) * | 2005-06-02 | 2007-10-16 | Wade Gefellers | Turkey call striker |
| US20200023283A1 (en) * | 2016-05-20 | 2020-01-23 | Buttercup Business, Inc. | High Angle Tethered Slide with Freefall Drop and Variable Radius Swing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US506238A (en) * | 1893-10-10 | Fire-escape | ||
| US1511139A (en) * | 1921-12-17 | 1924-10-07 | Leo-Roziger | Amusement device |
| US3083015A (en) * | 1960-05-06 | 1963-03-26 | Bernard M Barenholtz | Playground apparatus |
| US3556522A (en) * | 1968-11-29 | 1971-01-19 | John A Gale | Slide |
| US4497484A (en) * | 1983-02-25 | 1985-02-05 | Game Time, Inc. | Playground climber |
-
1995
- 1995-08-28 US US29/043,162 patent/USD386237S/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US506238A (en) * | 1893-10-10 | Fire-escape | ||
| US1511139A (en) * | 1921-12-17 | 1924-10-07 | Leo-Roziger | Amusement device |
| US3083015A (en) * | 1960-05-06 | 1963-03-26 | Bernard M Barenholtz | Playground apparatus |
| US3556522A (en) * | 1968-11-29 | 1971-01-19 | John A Gale | Slide |
| US4497484A (en) * | 1983-02-25 | 1985-02-05 | Game Time, Inc. | Playground climber |
Non-Patent Citations (3)
| Title |
|---|
| Burke playground equipment; p. 10; Spiral ladder, left side of page, Jul. 1995. |
| GameTime, Inc. Catalog, Cover & pp.5,31 & 52 (1991). |
| Mexico Forge Co., pp. 14 and 15; tree climber and mini tree climber, Jun. 1984. |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD553040S1 (en) * | 2005-06-02 | 2007-10-16 | Wade Gefellers | Turkey call striker |
| US20200023283A1 (en) * | 2016-05-20 | 2020-01-23 | Buttercup Business, Inc. | High Angle Tethered Slide with Freefall Drop and Variable Radius Swing |
| US10717015B2 (en) * | 2016-05-20 | 2020-07-21 | Buttercup Business, Inc. | High angle tethered slide with freefall drop and variable radius swing |
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