Patent US3754580A successfully refreshed from Google Patents.
US3754580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suction device
Assignee: Individual
•
Filing: 1971-12-02
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Granted: 1973-08-28
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Expires: 1991-12-02
Abstract
Abstract The invention is directed to a suction device for removing powdered ballast from a deflated vehicle tire, comprising a tube insertable in the ballast for removal thereof by suction and a series of draft tubes on the periphery of the suction tube and terminating below the mouth of the suction tube to agitate the powdered ballast and deliver a draft of air to effect complete removal of the ballast from a tire carcass.
Inventors
- 👤 E Perry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:08
CPC Classifications
B; B60; B60C; B60C29/00; B60C29/06; B60C29/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
Apparatus for removing dry ballast from a vehicle tire comprising, in combination, a suction pump connected with a dry ballast container a flexible hose connected to the container and terminating in a suction tube, adapted to be inserted into a vehicle tire at rest and containing dry ballast, said suction tube having a proximal and a distal end, the proximal end of said tube having means for connection to the flexible hose and, a series of draft tubes mounted exteriorally of said suction tube, each having proximal and distal ends, each end of each of said draft tubes being open, the proximal ends of said draft tubes terminating in the region of the proximal end of the suction tube, and above the surface of the dry ballast in the vehicle tire, the distal ends of said draft tubes terminating beyond the distal end of said suction tube and below the surface of the dry ballast in the vehicle tire.
Claim 2
Dependent Claim
159 words
Apparatus for removing dry ballast from a vehicle tire comprising, in combination, a suction pump connected with a dry ballast container a flexible hose connected to the container and terminating in a suction tube, adapted to be inserted into a vehicle tire at rest and containing dry ballast, said suction tube having a proximal and a distal end, the proximal end of said tube having means for connection to the flexible hose and, a series of draft tubes mounted exteriorally of said suction tube, each having proximal and distal ends, each end of each of said draft tubes being open, the proximal ends of said draft tubes terminating in the region of the proximal end of the suction tube, and above the surface of the dry ballast in the vehicle tire, the distal ends of said draft tubes terminating beyond the distal end of said suction tube and below the surface of the dry ballast in the vehicle tire.
References Cited (Backward Citations)
US1876627A
Cited
US2581914A
Cited
US3043348A
Cited
US3200858A
Cited
GB969847A
Cited
US3323536A
Cited
US3425453A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-27 | 1977-02-26 | 1977-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-27 | 1981-02-26 | 1981-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-27 | 1985-02-26 | 1985-08-28 | $7700.00 | Window Closed / Lapsed |