Patent US3777421A successfully refreshed from Google Patents.
US3777421A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn border
Assignee: Individual
•
Filing: 1972-01-26
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Granted: 1973-12-11
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Expires: 1992-01-26
Abstract
Abstract This disclosure relates to a ground dividing edging including lower ground engaging supporting members and upper snap-on capping members having an upstanding retaining wall portion and a substantially horizontal running surface portion for bordering a lawn area from an adjacent ground area.
Inventors
- 👤 A Bomba
- 👤 J Bomba
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:44
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/28
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
109 words
A ground dividing edging for bordering a lawn area from an adjacent ground area comprising, a plurality of contiguous flat base members adapted to be laid on the surface of the ground for forming an outline of the ground area which is to be divided from the lawn area, and a plurality of contiguous cap members each having a substantially vertical retaining wall portion and a substantially horizontal supporting surface portion, each of said plurality of said cap members disposed atop said flat base members wherein said cap members and said flat members include interlocking means which permit said cap members to be detachably secured to said flat members.
Claim 2
Dependent Claim
109 words
A ground dividing edging for bordering a lawn area from an adjacent ground area comprising, a plurality of contiguous flat base members adapted to be laid on the surface of the ground for forming an outline of the ground area which is to be divided from the lawn area, and a plurality of contiguous cap members each having a substantially vertical retaining wall portion and a substantially horizontal supporting surface portion, each of said plurality of said cap members disposed atop said flat base members wherein said cap members and said flat members include interlocking means which permit said cap members to be detachably secured to said flat members.
Claim 3
Dependent Claim
24 words
A ground dividing edging as defined in claim 1, wherein said flat base members are rigidly fastened to the ground by ground retaining members.
Claim 4
Dependent Claim
36 words
A ground dividing edging as defined in claim 1, wherein said flat base members include cutout portions which minimize heaving misalignment during periods of freezing and thawing and prevent water fRom accumulating on the base member.
Claim 5
Dependent Claim
30 words
A ground dividing edging as defined in claim 1, wherein said interlocking means includes a plurality of tabs and a plurality of agreeing apertures for snapping the two members together.
Claim 6
Dependent Claim
24 words
A ground dividing edging as defined in claim 1, wherein said cap members are fitted in an overlapping relationship with an adjoining cap member.
Claim 7
Dependent Claim
60 words
A ground dividing edging as defined in claim 1, wherein said horizontal supporting surface portions of said cap members are positioned slightly below the normal grass level of the lawn so that when the wheels of a lawn mower pass over said horizontal supporting surface portions the adjoining blades of grass are sheared to the same level as the lawn.
Claim 8
Dependent Claim
34 words
A ground dividing edging as defined in claim 1, wherein a cap member straddles the ends of two adjoining elongated flat base members to securely hold said two adjoining elongated flat base members together.
Claim 9
Dependent Claim
32 words
A ground dividing edging as defined in claim 1, wherein the outer surface of said cap members is concrete textured and a portion between two adjoining cap members simulates a mortar joint.
Claim 10
Dependent Claim
35 words
A ground dividing edging as defined in claim 1, wherein said flat base members take the form of long straight strips having a length which is a multiple of the length of said cap members.
Claim 11
Dependent Claim
52 words
A ground dividing edging as defined in claim 1, wherein said flat base members take the form of arcuate strips and said cap members are arcs having a curvature corresponding to said arcuate strips and the mean length of said arcuate strips is a multiple of the mean length of said arcs.
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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |