Patent US4298293A successfully refreshed from Google Patents.
US4298293A
Expired / Lapsed
US
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Curb forming apparatus
Assignee: Individual
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Filing: 1979-10-05
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Granted: 1981-11-03
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Expires: 1999-10-05
Abstract
Abstract A curb forming apparatus for traveling along a single horizontal longitudinal form adjacent a side edge of a pavement comprising, in combination, a frame with a plurality of aligned wheels for traveling upon said form, a curb forming chute mounted within said frame and being adapted to slide along said pavement, a hopper mounted to said frame and in communication with said chute, a skid plate attached to said frame and being adapted to slide upon said pavement, and a propulsion means to propel said apparatus along said form.
Inventors
- 👤 Charlie J. Baucom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:07
CPC Classifications
E; E01; E01C; E01C19/00; E01C19/48; E01C19/4886
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
142 words
A curb forming apparatus for traveling along a single horizontal longitudinal form adjacent a side edge of a pavement comprising, in combination: a frame having a front, rear, a first and second side members; a plurality of aligned wheel means mounted to said first side member traveling upon said form; a curb forming chute mounted within said frame adjacent said first side member and a lower portion thereof being adapted to slide against said form and said pavement; means to bias said chute against said form; a hopper means mounted to said frame above said chute and being provided with an opening in the lower portion thereof in communication with said chute; a skid pad attached to said second side member, adapted to slide upon said pavement; and propulsion means operatively related to said frame to propel said apparatus along said form.
Claim 2
Dependent Claim
142 words
A curb forming apparatus for traveling along a single horizontal longitudinal form adjacent a side edge of a pavement comprising, in combination: a frame having a front, rear, a first and second side members; a plurality of aligned wheel means mounted to said first side member traveling upon said form; a curb forming chute mounted within said frame adjacent said first side member and a lower portion thereof being adapted to slide against said form and said pavement; means to bias said chute against said form; a hopper means mounted to said frame above said chute and being provided with an opening in the lower portion thereof in communication with said chute; a skid pad attached to said second side member, adapted to slide upon said pavement; and propulsion means operatively related to said frame to propel said apparatus along said form.
Claim 3
Dependent Claim
55 words
A curb forming apparatus as in claim 1 wherein said propulsion means is comprised of a powered winch means secured to said frame and cable means extending therefrom to engage a stationary object a certain distance along said form whereby said winch means pull said cable to cause said apparatus to move along said form.
Claim 4
Dependent Claim
27 words
A curb forming apparatus as in claim 2 wherein said powered winch means is powered by an electric motor in communication with a source of electrical power.
Claim 5
Dependent Claim
20 words
A curb forming apparatus as in claim 2 wherein said powered winch means is powered by an internal combustion engine.
Claim 6
Dependent Claim
43 words
A curb forming apparatus as in claim 1 wherein one of said wheel means being provided with flanges on either side thereof engageable with said form and a second of said wheel means being provided with a single flange engageable with said form.
Claim 7
Dependent Claim
44 words
A curb forming apparatus as in claim 1 wherein said means to bias said chute is a horizontal spring means attached at one end to said chute and at a second end to said frame, whereby said chute is yieldably maintained against said form.
Claim 8
Dependent Claim
32 words
A curb forming apparatus as in claim 1 wherein said chute is provided with a removable curb design form and different forms being attachable to said chute to form different curb designs.
Claim 9
Dependent Claim
16 words
A curb forming apparatus as in claim 1 wherein vibrator means is provided within said hopper.
Claim 10
Dependent Claim
22 words
A curb forming apparatus as in claim 1 wherein said hopper and chute being provided with means to adjust the levels thereof.
Claim 11
Dependent Claim
23 words
A curb forming apparatus as set forth in claim 1 wherein said skid plate being provided with means to adjust the level thereof.
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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) | 1984-11-02 | 1985-05-04 | 1985-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-11-02 | 1989-05-04 | 1989-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-11-02 | 1993-05-04 | 1993-11-03 | $7700.00 | Window Closed / Lapsed |