US3844319A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump attachable to an automobile exhaust
Assignee: Individual
•
Filing: 1972-06-08
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Granted: 1974-10-29
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Expires: 1992-06-08
Abstract
Abstract A simple emergency pump sleeve connectable to an automobile exhaust includes an opening acting as safety valve to a tire and protects the motor from back pressure stalling.
Inventors
- 👤 A Cristante
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:34
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/20; Y; Y10; Y10T; Y10T137/00; Y10T137/3584
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
139 words
An automobile exhaust pump conprising a sleeve adapted to fit snugly about the end of an automobile exhaust pipe; said sleeve including a closed end portion, an opening in said sleeve end portion including means to receive a hose fitting, a hose fitting, a hose attached to said hose fitting, an air pressure valve attached to said hose, an exhaust opening in said closed end portion; said opening of a size selected to maintain a pressure in said exhaust system when said automobile is operating low enough for said automobile engine to function and high enough to fill a tire, and a chain, one end of said chain adapted to be looped about said exhaust pipe and hold firm, the other end affixed to said sleeve and connected parts, all adapted to maintain said sleeve on said exhaust pipe.
Claim 2
Dependent Claim
139 words
An automobile exhaust pump conprising a sleeve adapted to fit snugly about the end of an automobile exhaust pipe; said sleeve including a closed end portion, an opening in said sleeve end portion including means to receive a hose fitting, a hose fitting, a hose attached to said hose fitting, an air pressure valve attached to said hose, an exhaust opening in said closed end portion; said opening of a size selected to maintain a pressure in said exhaust system when said automobile is operating low enough for said automobile engine to function and high enough to fill a tire, and a chain, one end of said chain adapted to be looped about said exhaust pipe and hold firm, the other end affixed to said sleeve and connected parts, all adapted to maintain said sleeve on said exhaust pipe.
Claim 3
Dependent Claim
17 words
The invention of claim 1 wherein said sleeve includes means to filter particles in said automobile exhaust.
Claim 4
Dependent Claim
16 words
The invention of claim 1 wherein said closed portion further includes means to drain said sleeve.
Claim 5
Dependent Claim
19 words
The invention of claim 1 wherein said hose includes a screw fitting and said hose fitting opening includes threads.
Claim 6
Dependent Claim
14 words
The invention of claim 1 wherein said air pressure valve includes a self-locking fixture.
Claim 7
Dependent Claim
18 words
The invention of claim 1 wherein said exhaust opening is adapted to receive means to reduce said opening.
Claim 8
Dependent Claim
21 words
The invention of claim 6 wherein said means to reduce said opening may receive further means to further reduce said opening.
Claim 9
Dependent Claim
24 words
The invention of claim 1 wherein said automobile includes two exhaust pipes, and a closed sleeve adapted to close one of said exhaust pipes.
Claim 10
Dependent Claim
143 words
An automobile exhaust pump comprising a sleeve adapted to fit snugly about the end of an automobile exhaust pipe; said sleeve including a closed end portion, an opening in said sleeve end portion including means to receive a hose fitting, a hose fitting, a hose attached to said hose fitting, an air pressure valve attached to said hose, an exhaust opening in said closed end portion; said opening of a size selected to maintain a pressure in said exhaust system when said automobile is operating low enough for said automobile engine to function and high enough to fill a tire, and said sleeve including an opening, said exhaust pipe including an opening, a pin, a chain on said pin, a hook on said chain, said pin adapted to fit in said openings secured by said chain about said sleeve secured by said hook.
Claim 11
Dependent Claim
143 words
An automobile exhaust pump comprising a sleeve adapted to fit snugly about the end of an automobile exhaust pipe; said sleeve including a closed end portion, an opening in said sleeve end portion including means to receive a hose fitting, a hose fitting, a hose attached to said hose fitting, an air pressure valve attached to said hose, an exhaust opening in said closed end portion; said opening of a size selected to maintain a pressure in said exhaust system when said automobile is operating low enough for said automobile engine to function and high enough to fill a tire, and said sleeve including an opening, said exhaust pipe including an opening, a pin, a chain on said pin, a hook on said chain, said pin adapted to fit in said openings secured by said chain about said sleeve secured by said hook.
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) | 1977-10-28 | 1978-04-29 | 1978-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-28 | 1982-04-29 | 1982-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-28 | 1986-04-29 | 1986-10-29 | $7700.00 | Window Closed / Lapsed |