Patent US4883256A successfully refreshed from Google Patents.
US4883256A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Picket fence and method of construction
Assignee: Individual
•
Filing: 1989-01-23
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Granted: 1989-11-28
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Expires: 2009-01-23
Abstract
Abstract A picket fence assembly having upper and lower rails each with a plurality of non-circular holes receiving a plurality of vertical pickets through respective aligned holes and with the pickets having transverse through-holes in alignment and receiving a rigid transverse rod preventing rotations of the pickets.
Inventors
- 👤 Thomas J. Hebda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:36
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/14; E04H17/1413; E04H17/1417; E04H17/1426; E04H17/1439; E04H17/1447; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7001; Y10T403/7003
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
131 words
A picket fence assembly, comprising in combination upper and lower horizontal rails each having a plurality of non-circular through-holes therein, a plurality of vertically disposed pickets arranged in mutually parallel relationship between said rails and extending through respectively aligned ones of said through-holes in said rails, said pickets being respectively in said through-holes from an assembly position wherein said pickets are axially movable in said through-holes to a locking position wherein vertical movement of said pickets relative to said rails is prevented, said pickets being provided with transverse through-holes which are in mutual alignment when each of said pickets is in said locking position, and a rigid rod slidably extending through said transverse through-holes in said pickets to prevent rotation of said pickets from said locking positions to said assembly positions.
Claim 2
Dependent Claim
131 words
A picket fence assembly, comprising in combination upper and lower horizontal rails each having a plurality of non-circular through-holes therein, a plurality of vertically disposed pickets arranged in mutually parallel relationship between said rails and extending through respectively aligned ones of said through-holes in said rails, said pickets being respectively in said through-holes from an assembly position wherein said pickets are axially movable in said through-holes to a locking position wherein vertical movement of said pickets relative to said rails is prevented, said pickets being provided with transverse through-holes which are in mutual alignment when each of said pickets is in said locking position, and a rigid rod slidably extending through said transverse through-holes in said pickets to prevent rotation of said pickets from said locking positions to said assembly positions.
Claim 3
Dependent Claim
36 words
A picket fence assembly according to claim 1 wherein at least one of said rails includes of a web and two depending side flanges, and said rod is located in the space between said side flanges.
Claim 4
Dependent Claim
29 words
A picket fence assembly according to claim 1 wherein at least one of said rails is tubular, and said rod extends through said at least one of said rails.
Claim 5
Dependent Claim
22 words
A picket fence assembly according to claim 1, comprising a locking ring affixed to said rod adjacent to one of said pickets.
Claim 6
Dependent Claim
28 words
A picket fence according to claim 4 wherein at least one of said rails is tubular, and said rod extends through said at least one of said rails.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-11-27 | 1993-05-29 | 1993-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-11-27 | 1997-05-29 | 1997-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-11-27 | 2001-05-29 | 2001-11-28 | $7700.00 | Window Closed / Lapsed |