Patent US5040811A successfully refreshed from Google Patents.
US5040811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded plastic utility cart
Assignee: Individual
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Filing: 1989-04-24
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Granted: 1991-08-20
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Expires: 2009-04-24
Abstract
Abstract A molded multipurpose utility cart with wheels large enough to transfer uneven or rough surfaces. The cart having a handle high enough for operator manipulation of the cart with one hand without bending of the torso. Two supports on the front and back of the cart permit the towing of one or a series of carts in tandem. The carts fabricated of molded plastic of sufficient strength and rigidity to serve as laundry carts, rubbish carts, and material handling carts.
Inventors
- 👤 Dennis D. Busken
- 👤 Elaine L. Busken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:06
CPC Classifications
B; B62; B62B; B62B3/00; B62B3/002; B62B3/003; B62B3/004; B62B2202/00; B62B2202/66; B62B2501/00; B62B2501/06; B62B2501/065
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
197 words
A multipurpose utility cart comprising: a. a receptacle molded of a plastic material; b. the receptacle having a transverse top handle extending upwardly from a rear top edge of the receptacle; c. said rear top edge of the receptacle is molded into an elliptical cross section for increased support for the handle; d. a first tow handle affixed to a lower, front, central portion of the receptacle; e. a second tow handle affixed to a lower, back central portion of the receptacle; f. four sides of the receptacle having a plurality of horizontal slotted openings; g. horizontal edges of the horizontal slotted openings being molded outwards to provide stiffness to the sides of the receptacle; h. the receptacle has a reinforcing plate on a bottom of the receptacle for added support and for attaching a plurality of wheel mountings; i. four rotatable wheel support castors, mounted on corners of the bottom of the plate; j. a plurality of rubber-tired wheels, exceeding five inches in diameter, are mounted in the wheel support castors; and k. a top of the transverse top handle ranges in height from three to four feet high measured from the bottom of the wheels.
Claim 2
Dependent Claim
197 words
A multipurpose utility cart comprising: a. a receptacle molded of a plastic material; b. the receptacle having a transverse top handle extending upwardly from a rear top edge of the receptacle; c. said rear top edge of the receptacle is molded into an elliptical cross section for increased support for the handle; d. a first tow handle affixed to a lower, front, central portion of the receptacle; e. a second tow handle affixed to a lower, back central portion of the receptacle; f. four sides of the receptacle having a plurality of horizontal slotted openings; g. horizontal edges of the horizontal slotted openings being molded outwards to provide stiffness to the sides of the receptacle; h. the receptacle has a reinforcing plate on a bottom of the receptacle for added support and for attaching a plurality of wheel mountings; i. four rotatable wheel support castors, mounted on corners of the bottom of the plate; j. a plurality of rubber-tired wheels, exceeding five inches in diameter, are mounted in the wheel support castors; and k. a top of the transverse top handle ranges in height from three to four feet high measured from the bottom of the wheels.
Claim 3
Dependent Claim
16 words
A cart as described in claim 1 wherein the reinforcing plate comprises being made of metal.
Claim 4
Dependent Claim
16 words
A cart as described in claim 1 wherein the reinforcing plate comprises being made of wood.
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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) | 1994-08-19 | 1995-02-18 | 1995-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-08-19 | 1999-02-18 | 1999-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-08-19 | 2003-02-18 | 2003-08-20 | $7700.00 | Window Closed / Lapsed |