Patent US3918733A successfully refreshed from Google Patents.
US3918733A
Expired / Lapsed
US
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Articulated appliance dolly
Assignee: Dial Industries Inc
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Filing: 1974-09-23
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Granted: 1975-11-11
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Expires: 1994-09-23
Abstract
Abstract An articulated appliance dolly consisting of a wheeled load platform rigidly connected to a second load platform borne by a steerable truck, two of which articulated appliance dollies are employed for steerably translating heavy appliances.
Inventors
- 👤 Jan M Macho
- 👤 Richard O Oxford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:17
CPC Classifications
B; B62; B62B; B62B5/00; B62B5/0083
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
94 words
An appliance dolly of the type having a first horizontal load platform supported by a wheeled carriage adjustably spaced from a second horizontal load platform in combination with: a truck having wheels rotably mounted to said truck, means interconnecting said second load platform and said truck member for permitting relative rotation about a transverse axis said means including complimentary bearing surfaces consisting of a substantially horizontal surface on the lower side of said second load platform and one or more circular ribs concentric about said transverse axis on the upper surface of said truck.
Claim 2
Dependent Claim
94 words
An appliance dolly of the type having a first horizontal load platform supported by a wheeled carriage adjustably spaced from a second horizontal load platform in combination with: a truck having wheels rotably mounted to said truck, means interconnecting said second load platform and said truck member for permitting relative rotation about a transverse axis said means including complimentary bearing surfaces consisting of a substantially horizontal surface on the lower side of said second load platform and one or more circular ribs concentric about said transverse axis on the upper surface of said truck.
Claim 3
Dependent Claim
93 words
An appliance dolly of the type having a first horizontal load platform supported by a wheeled carriage adjustably spaced from a second horizontal load platform in combination with: a truck having wheels rotably mounted to said truck, means interconnecting said second load platform and said truck member for permitting relative rotation about a transverse axis said means including complimentary bearing surfaces consisting of one or more circular ribs concentric about said transverse axis on the lower surface of said second platform with the upper surface of said truck consisting of substantially horizontal surface.
Claim 4
Dependent Claim
93 words
An appliance dolly of the type having a first horizontal load platform supported by a wheeled carriage adjustably spaced from a second horizontal load platform in combination with: a truck having wheels rotably mounted to said truck, means interconnecting said second load platform and said truck member for permitting relative rotation about a transverse axis said means including complimentary bearing surfaces consisting of one or more circular ribs concentric about said transverse axis on the lower surface of said second platform with the upper surface of said truck consisting of substantially horizontal surface.
References Cited (Backward Citations)
US2949823A
Cited
US3430973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-11-10 | 1979-05-12 | 1979-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-10 | 1983-05-12 | 1983-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-10 | 1987-05-12 | 1987-11-11 | $7700.00 | Window Closed / Lapsed |