Patent US4477532A successfully refreshed from Google Patents.
Patent US3829249A successfully refreshed from Google Patents.
US3829249A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable syphonic pump
Assignee: Individual
•
Filing: 1973-05-02
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Granted: 1974-08-13
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Expires: 1993-05-02
Abstract
Abstract A handy pump of portable type for use by a motorist to transfer gasoline from one automobile to another in case one vehicle has run out of gas on a highway; the device consisting of hoses inserted into each of the vehicle gas tanks, and the outer ends of the hoses being connected to a pump that can be either hand operated or motor-driven by electric power from the vehicle cigarette lighter.
Inventors
- 👤 R Pursley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:47
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/02; F04D13/06; F04B; F04B43/00; F04B43/08; F04B43/12; F04B43/1253; F04B43/1276
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
112 words
In a pump for syphoning gasoline from a tank of one automobile to a tank of another automobile, the combination of hose means, each end being inserted into one said tank, said hose means communicating with a pump unit located along said hose means, said pump unit including a case with a permanent magnet on one side for holding to a steel body of one said automobile, said case containing an electric motor that is powered from a cigarette lighter outlet of said automobile, said motor driving a gasoline pump, and one way flap valves along said hose means, being located on each side of said pump so to prevent return flow.
Claim 2
Dependent Claim
112 words
In a pump for syphoning gasoline from a tank of one automobile to a tank of another automobile, the combination of hose means, each end being inserted into one said tank, said hose means communicating with a pump unit located along said hose means, said pump unit including a case with a permanent magnet on one side for holding to a steel body of one said automobile, said case containing an electric motor that is powered from a cigarette lighter outlet of said automobile, said motor driving a gasoline pump, and one way flap valves along said hose means, being located on each side of said pump so to prevent return flow.
Claim 3
Dependent Claim
81 words
The combination as set forth in claim 1, wherein said hose means comprises a single hose extending straight through said case, said pump comprising a plurality of radially extending spokes secured to a shaft of said motor, each spoke slidably supporting an L-shaped holder slidable against a compression spring around said spoke, and each holder supporting a freely rotatable elliptical roller rollable along a surface of said hose so to squeeze said hose and force a pulsed flow of gasoline therethrough.
Claim 4
Dependent Claim
31 words
The combination as set forth in claim 2, wherein flaps on opposite sides of said hose provide means to restore roundness to said hose after being rolled flat by said rollers.
Claim 5
Dependent Claim
42 words
The combination as set forth in claim 1, wherein said hose means comprises two hoses with an accordian section therebetween, a knurled cylindrical handle enclosing said accordian section integral with one hose, and a second knurled handle integral with the other hose.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |