Patent US4223814A successfully refreshed from Google Patents.
Patent US3945747A successfully refreshed from Google Patents.
US3945747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edging guide
Assignee: Individual
•
Filing: 1974-10-29
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Granted: 1976-03-23
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Expires: 1994-10-29
Abstract
Abstract An edging guide for use along a fence or building to provide a surface over which one wheel of a lawn mower may roll which guide is composed of a plurality of end-to-end abutting slabs having an upper surface which includes a first portion and an outwardly and downwardly curved portion which curves to the level of the turf above the earth to which a lawn is to be maintained and over which the lawn mower wheel rolls.
Inventors
- 👤 Alcides Cruz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 22:19
CPC Classifications
E; E01; E01F; E01F15/00; E01F15/02; E01F15/025; E04; E04H; E04H17/00; E04H17/02; E04H17/06; E04H17/063
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
177 words
To guide a lawn mower an edging guide element to be positioned at the edge of a lawn comprising a rigid elongate slab having an upper surface, a lower surface to rest on the ground, similarly shaped and sized opposite end surfaces for abutting relation with a similar slab and a first and a second elongate face extending between the upper surface and the lower surface and end surfaces, said upper surface having a first upper portion extending between the end surfaces at a common predetermined height above the lower surface and a curved portion extending between the end surfaces and extending outwardly away from said upper portion and downwardly from said upper portion to said first face in a fair curve as seen in cross section defining a longitudinally extending edge at the juncture of the first face and said curved portion, said edge being at a common predetermined heighth above said lower surface to rest on the ground and defining a trimmed lawn height, said curved portion comprising a track for a lawn mower wheel.
Claim 2
Dependent Claim
177 words
To guide a lawn mower an edging guide element to be positioned at the edge of a lawn comprising a rigid elongate slab having an upper surface, a lower surface to rest on the ground, similarly shaped and sized opposite end surfaces for abutting relation with a similar slab and a first and a second elongate face extending between the upper surface and the lower surface and end surfaces, said upper surface having a first upper portion extending between the end surfaces at a common predetermined height above the lower surface and a curved portion extending between the end surfaces and extending outwardly away from said upper portion and downwardly from said upper portion to said first face in a fair curve as seen in cross section defining a longitudinally extending edge at the juncture of the first face and said curved portion, said edge being at a common predetermined heighth above said lower surface to rest on the ground and defining a trimmed lawn height, said curved portion comprising a track for a lawn mower wheel.
Claim 3
Dependent Claim
71 words
The slab as set forth in claim 1 wherein a curved portion is provided curving outwardly and downwardly in a fair curve as seen in cross section away from said upper portion to said second face defining a longitudinally extending edge at the juncture of the second face and the curved portion, and said curved portions being symmetrical with respect to a vertical plane through a longitudinal centerline of the slab.
Claim 4
Dependent Claim
53 words
The slab as set forth in claim 2 wherein a longitudinally extending elongate recess is provided in said upper portion between the end surfaces in symmetrical relation with respect to a longitudinally extending vertical center plane through said element, said recess being adapted to receive the lower end margin of a fence panel.
Claim 5
Dependent Claim
50 words
The slab as set forth in claim 1 wherein a downwardly extending foot is provided on said lower surface and said foot extends longitudinally beneath said lower surface and said foot includes spaced longitudinally extending surfaces between the end surfaces to engage the ground to resist movement of the element.
Claim 6
Dependent Claim
29 words
The device as set forth in claim 1 wherein one of said end faces is mitered for connection to form a corner joint with a similarly mitered elongate slab.
Claim 7
Dependent Claim
16 words
The device as set forth in claim 1 wherein said slab is of preformed concrete material.
References Cited (Backward Citations)
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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) | 1979-03-23 | 1979-09-22 | 1980-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-03-23 | 1983-09-22 | 1984-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-03-23 | 1987-09-22 | 1988-03-23 | $7700.00 | Window Closed / Lapsed |