Patent US3642156A successfully refreshed from Google Patents.
US3642156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pickup truck loading ramp
Assignee: Individual
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Filing: 1970-03-16
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Granted: 1972-02-15
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Expires: 1990-03-16
Abstract
Abstract A folding ramp device for attachment to the rear gate of pickup trucks. This device is of such construction so as it may fold up while not interfering with the normal use of the endgate of the truck. The device includes a multiple number of folding members which are hinged to make a convenient ramp for any hard to load items, such as garden tractors, snowmobiles, etc.
Inventors
- 👤 Raymond A Stenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:59
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/43; B60P1/435
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
189 words
A loading ramp for trucks having an end gate, said ramp comprising at least three foldable hinged together ramp members, each of said ramp members having a pair of elongated side beams, each of said side beams in each ramp member comprising a pair of elongated diverging flanges forming an L-shaped cross section with one of said flanges extending vertically and the otheR of said flanges extending inwardly toward one another, a plurality of spaced elongated crossbars extending in length between each of said pairs of side beams, said ramp members extending rearwardly in length from the rearward end of the truck with each rearward succeeding ramp member being smaller in width than the preceding ramp member including their side beams having the L-shaped cross sections, so that the ramp members will fold forward into one another about their hinged connection into at least substantially parallel relation to one another and against the truck and gate, strap means mounted to said ramp to attach said ramp to said endgate of said truck, said ramp members when folded together against said endgate being substantially the same height as said endgate.
Claim 2
Dependent Claim
189 words
A loading ramp for trucks having an end gate, said ramp comprising at least three foldable hinged together ramp members, each of said ramp members having a pair of elongated side beams, each of said side beams in each ramp member comprising a pair of elongated diverging flanges forming an L-shaped cross section with one of said flanges extending vertically and the otheR of said flanges extending inwardly toward one another, a plurality of spaced elongated crossbars extending in length between each of said pairs of side beams, said ramp members extending rearwardly in length from the rearward end of the truck with each rearward succeeding ramp member being smaller in width than the preceding ramp member including their side beams having the L-shaped cross sections, so that the ramp members will fold forward into one another about their hinged connection into at least substantially parallel relation to one another and against the truck and gate, strap means mounted to said ramp to attach said ramp to said endgate of said truck, said ramp members when folded together against said endgate being substantially the same height as said endgate.
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) | 1975-02-14 | 1975-08-16 | 1976-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-14 | 1979-08-16 | 1980-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-14 | 1983-08-16 | 1984-02-15 | $7700.00 | Window Closed / Lapsed |