US4787476A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tree stand
Assignee: Individual
•
Filing: 1988-01-29
•
Granted: 1988-11-29
•
Expires: 2008-01-29
Abstract
Abstract A portable tree stand having an elongated tubular sectioned ladder. Each section of the ladder is pivotably attached to the adjacent section. The bottom ladder section is attached to a ground brace and the top ladder section to a platform. Movable cylindrical sleeves prevent movement of the ladder sections in the erected mode.
Inventors
- 👤 Richard D. Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:07
CPC Classifications
E; E06; E06C; E06C1/00; E06C1/02; E06C1/38; E06C1/381; A; A01; A01M; A01M31/00; A01M31/02; A45; A45F; A45F3/00; A45F3/26; E06C1/34
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
197 words
A portable tree stand apparatus for positioning a person at an elevated position in a tree comprising: an elongated ladder having a cylindrical top, bottom and intermediate section, each section collapsible at connecting joints, each joint having a socket from each adjacent ladder section rotatably connected together; a braced supporting member attached to a distal end of the bottom section, the supporting member having a top and bottom surface, with the top surface attached to the bottom ladder section and the bottom surface of the supporting member having serrated edges for firm engagement with a top surface of soil surrounding the tree; multiple cantileveredly mounted hand and foot grips extending from each section; a platform pivotably attached at a front end to a distal end of the top section; each connection joint having a frictionally fit sleeve engaged over the connected sockets to prevent movement of the ladder in an erected position; the platform attached at a back edge to the trunk of a tree and held securely in place by a chain around the tree; the chain being tightened down around the tree by a locking wheel screw mounted on a side surface of the platform.
Claim 2
Dependent Claim
197 words
A portable tree stand apparatus for positioning a person at an elevated position in a tree comprising: an elongated ladder having a cylindrical top, bottom and intermediate section, each section collapsible at connecting joints, each joint having a socket from each adjacent ladder section rotatably connected together; a braced supporting member attached to a distal end of the bottom section, the supporting member having a top and bottom surface, with the top surface attached to the bottom ladder section and the bottom surface of the supporting member having serrated edges for firm engagement with a top surface of soil surrounding the tree; multiple cantileveredly mounted hand and foot grips extending from each section; a platform pivotably attached at a front end to a distal end of the top section; each connection joint having a frictionally fit sleeve engaged over the connected sockets to prevent movement of the ladder in an erected position; the platform attached at a back edge to the trunk of a tree and held securely in place by a chain around the tree; the chain being tightened down around the tree by a locking wheel screw mounted on a side surface of the platform.
Claim 3
Dependent Claim
29 words
A portable tree stand apparatus according to claim 1 wherein each socket is integral with a cylindrical member that is permanently mounted within an end of a ladder section.
Claim 4
Dependent Claim
24 words
A portable tree stand apparatus according to claim 1 wherein the intermediate ladder section can be removed to add a second intermediate ladder section.
Claim 5
Dependent Claim
20 words
A portable tree stand apparatus according to claim 1 wherein the back edge of the platform is V-shaped and serrated.
Claim 6
Dependent Claim
39 words
A portable tree stand according to claim 1 collapsed into a compact carrying pack with each ladder section in parallel relation to each other and to the platform and each sleeve surrounds a ladder section adjacent a connecting joint.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-11-29 | 1992-05-30 | 1992-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-11-29 | 1996-05-30 | 1996-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-11-29 | 2000-05-30 | 2000-11-29 | $7700.00 | Window Closed / Lapsed |