Patent US4326731A successfully refreshed from Google Patents.
US4326731A
Expired / Lapsed
US
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Folding cart
Assignee: Individual
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Filing: 1979-10-01
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Granted: 1982-04-27
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Expires: 1999-10-01
Abstract
Abstract A material transporting cart, including a horizontal platform upwardly pivotable about a transverse hinge across its center, the opposite ends of the platform being pivoted on vertical end frames, the lower ends of the end frames and the upwardly foldable central portion of the platform being mounted upon wheels for travel on a ground, and the platform divided by the hinge into two components additionally including a swivel pin near the hinge so that one component pulls the other when the cart is in use.
Inventors
- 👤 Stephen Woychio
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:56
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/02; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32254; Y10T403/32262; Y10T403/32319; Y10T403/32327; Y10T403/32352
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
108 words
A folding cart comprising an assembly having a horizontal platform pivotally connected at a first end to a vertical end frame in combination with a similar assembly having a platform and vertical end frame wherein said assemblies are attached at second ends by a connector including means pivotal about a horizontal axis whereby the second ends may be raised pivotally relative each other and said end frames further including end wheels at the first ends of said platforms and central wheels at the said second ends of said platforms, wherein said connector also includes swivel means providing pivotal motion of one of said assemblies about a vertical axis.
Claim 2
Dependent Claim
108 words
A folding cart comprising an assembly having a horizontal platform pivotally connected at a first end to a vertical end frame in combination with a similar assembly having a platform and vertical end frame wherein said assemblies are attached at second ends by a connector including means pivotal about a horizontal axis whereby the second ends may be raised pivotally relative each other and said end frames further including end wheels at the first ends of said platforms and central wheels at the said second ends of said platforms, wherein said connector also includes swivel means providing pivotal motion of one of said assemblies about a vertical axis.
Claim 3
Dependent Claim
60 words
A cart as in claim 1 wherein the each said platform is secured to each said end frame by an end member having a pivot pin extending through said member and end frame including a transverse extension having a movable pin attached thereto adapted to be retained in a hole in said end frame spaced from the said pivot pin.
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) | 1985-04-26 | 1985-10-26 | 1986-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-26 | 1989-10-26 | 1990-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-26 | 1993-10-26 | 1994-04-27 | $7700.00 | Window Closed / Lapsed |