US3116803A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle engine exhaust system
Assignee: Motors Liquidation Co
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Filing: 1961-06-13
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Granted: 1964-01-07
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Expires: 1981-06-13
Abstract
No abstract record available.
Inventors
- 👤 Robert M Buchwald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:52
CPC Classifications
B; B60; B60K; B60K13/00; B60K13/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
153 words
A VEHICLE HAVING A TUBULAR FRAME MEMBER AND AN EXHAUST PIPE EXTENDING THERETHROUGH, FIRST OPENING MEANS IN SAID FRAME MEMBER DEFINING AN EXHAUST PIPE ENTRY AND BEING SUBSTANTIALLY LARGER THAN SAID PIPE DIAMETER, SECOND OPENING MEANS IN SAID FRAME MEMBER PROVIDING AN EXHAUST PIPE EXIT AND BEING SUBSTANTIALLY LARGER THAN THE DIAMETER OF SAID PIPE, SUPPORT MEANS ON SAID FRAME MEMBER FOR SUPPORTING SAID EXHAUST PIPE CENTRALLY THEREIN, AND INSULATION MEANS POSITIONABLE WITHIN SAID FRAME MEMBER BEING ENGAGEABLE WITH THE INNER WALLS THEREOF AND RADIALLY SPACED FROM SAID EXHAUST PIPE, SAID FIRST OPENING MEANS, TUBULAR FRAME MEMBER, INSULATION MEANS, AND EXHAUST PIPE BEING ALIGNED AND POSITIONED RELATIVE TO SAID VEHICLE TO PERMIT COOLING AIR GENERATED BY THE FORWARD MOTION OF THE VEHICLE TO FLOW NATURALLY THROUGH SAID FRAME MEMBER AND IN DIRECT HEAT EXCHANGE RELATIONSHIP WITH SAID PIPE RECEIVING HEAT THEREFROM AND DISCHARGING THE HEAT TO THE ATMOSPHERE THROUGH SAID SECOND OPENING MEANS.
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) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |