US3308655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle fuel consumption indicating instrument
Assignee: Individual
•
Filing: 1963-11-04
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Granted: 1967-03-14
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Expires: 1983-11-04
Abstract
No abstract record available.
Inventors
- 👤 Donald E Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:13
CPC Classifications
G; G01; G01F; G01F9/00; G01F9/02; G01F9/026; G01P; G01P3/00; G01P3/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
AN INSTRUMENT FOR INSTALLATION ON A VEHICLE TO PRESENT ENGINE PERFORMANCE DATA TO THE OPERATOR INCLUSIVE OF SPEED, FUEL FLOW, AND DISTANCE TRAVELED PER UNIT OF FUEL CONSUMPTION, COMPRISING TWO ROTATABLE DISCS MOVABLE AROUND A COMMON REFERENCE AXIS, EACH DISC HAVING A RESPECTIVE SUPPORTING SHAFT, ONE SHAFT ROTATING WITHIN THE OTHER, A HOUSING TO ENCOMPASS THE ROTATABLE DISCS AND TO ROTATABLY SUPPORT THE DISC SHAFTS, ONE DISC HAVING SPEED AND DISTANCE TRAVELED PER UNIT OF FUEL INDICIA ON ITS FACE AND THE OTHER DISC HAVING FUEL CONSUMPTION INDICIA ON ITS FACE AND A POINTER LOCATED TO INDICATE SPECIFIC INDICIA OF DISTANCE TRAVELED PER UNIT OF FUEL ON THE OTHER DISC, AND MULTIPLE PRESSURE CHANGE ACTIVATED CHANGEABLE VOLUME PRESSURE CHAMBER ASSEMBLIES: ONE SUCH PRESSURE CHAMBER ASSEMBLY, COMPRISING, AN ORIFICE FOR CONNECTION TO TUBING ALSO CONNECTED TO FLUID FLOW RAM PRESSURE SENSOR, A RAM PRESSURE SENSOR FOR PLACEMENT IN FLUID MOVING RELATIVE TO THE VEHICLE CONNECTED TO THE PRESSURE CHAMBER ASSEMBLY BY TUBING, PROJECTING CHAMBER PORTIONS MOVABLY SUPPORTED ON THE PRESSURE CHAMBER ASSEMBLY ADVANCING AND RETRACTING AS FLUID RAM PRESSURES INCREASE AND DECREASE
Claim 2
Dependent Claim
181 words
AN INSTRUMENT FOR INSTALLATION ON A VEHICLE TO PRESENT ENGINE PERFORMANCE DATA TO THE OPERATOR INCLUSIVE OF SPEED, FUEL FLOW, AND DISTANCE TRAVELED PER UNIT OF FUEL CONSUMPTION, COMPRISING TWO ROTATABLE DISCS MOVABLE AROUND A COMMON REFERENCE AXIS, EACH DISC HAVING A RESPECTIVE SUPPORTING SHAFT, ONE SHAFT ROTATING WITHIN THE OTHER, A HOUSING TO ENCOMPASS THE ROTATABLE DISCS AND TO ROTATABLY SUPPORT THE DISC SHAFTS, ONE DISC HAVING SPEED AND DISTANCE TRAVELED PER UNIT OF FUEL INDICIA ON ITS FACE AND THE OTHER DISC HAVING FUEL CONSUMPTION INDICIA ON ITS FACE AND A POINTER LOCATED TO INDICATE SPECIFIC INDICIA OF DISTANCE TRAVELED PER UNIT OF FUEL ON THE OTHER DISC, AND MULTIPLE PRESSURE CHANGE ACTIVATED CHANGEABLE VOLUME PRESSURE CHAMBER ASSEMBLIES: ONE SUCH PRESSURE CHAMBER ASSEMBLY, COMPRISING, AN ORIFICE FOR CONNECTION TO TUBING ALSO CONNECTED TO FLUID FLOW RAM PRESSURE SENSOR, A RAM PRESSURE SENSOR FOR PLACEMENT IN FLUID MOVING RELATIVE TO THE VEHICLE CONNECTED TO THE PRESSURE CHAMBER ASSEMBLY BY TUBING, PROJECTING CHAMBER PORTIONS MOVABLY SUPPORTED ON THE PRESSURE CHAMBER ASSEMBLY ADVANCING AND RETRACTING AS FLUID RAM PRESSURES INCREASE AND DECREASE
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |