US3329581A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable degreaser and distillation apparatus
Assignee: MacNabb Engineering Co Inc
•
Filing: 1964-09-28
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Granted: 1967-07-04
•
Expires: 1984-09-28
Abstract
No abstract record available.
Inventors
- 👤 Sydney F Wadman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:07
CPC Classifications
C; C23; C23G; C23G5/00; C23G5/02; C23G5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
410 words
A PORTABLE COMBINED VAPOR DEGREASER AND DISTILLATION DEVICE COMPRISING A SHEET METAL TANK HAVING A PAIR OF END WALLS AND SIDE WALLS EXTENDING UPWARDLY WITH THE UPPER AND LOWER EXTREMITIES OF SAID WALLS FORMING THE TOP AND BOTTOM RESPECTIVELY OF SAID TANK, A STEP SHAPED METAL CLOSURE AT SAID BOTTOM WITH A LOWER STEP EXTENDING FROM ONE OF SAID END WALLS AND CHANGING AT A POSITION DISTAL FROM SAID ONE END WALL TO AN UPPER STEP LEVEL EXTENDING TO THE OTHER OF SAID END WALLS, A SUPPORT EXTENSION FROM SAID LOWER STEP SHEET METAL CLOSURE POSITION TOWARD SAID OTHER END TO FORM WITH SAID UPPER STEP LEVEL SHEET METAL CLOSURE A STORAGE COMPARTMENT FOR FLEXIBLE ELECTRICE SUPPLY CORD AND COOLING FLUID FLOW TUBING OF SAID DEGREASER, SAID COMPARTMENT BEING ENCLOSED BY EXPANDED METAL COMPONENTS WHEEL MEANS AT SAID BOTTOM FOR PROVIDING MOBILITY TO SAID DEVICE, SAID LOWER STEP LEVEL COMBINING WITH SAID SIDE WALLS AND SAID ONE END WALL TO FORM A DEGREASING FLUID BASIN, ELECTRICAL RESISTOR HEATING MEANS EXTENDING INTO SAID DEGREASING FLUID BASIN, ELECTRIC COUPLING MEANS INCLUDING AN ELONGATED FLEXIBLE ELECTRIC CONDUCTOR COUPLED TO SAID ELECTRIC RESISTOR HEATING MEANS AND ADAPTED FOR COUPLING SAID ELECTRIC HEATER MEANS TO AN ELECTRIC POWER SOURCE, A HOLLOW COOLING FLUID CONDUCTOR FORMATION INTEGRAL WITH SAID WALLS ABOUT THE PERIPHERY OF SAID TANK AT A POSITION DISTAL FROM SAID TOP FOR CARRYING COOLING FLUID IN HEAT CONDUCTING ENGAGEMENT WITH SAID WALLS, A FLEXIBLE INLET AND OUTLET FLUID CONDUCTOR MEANS COUPLED TO SAID HOLLOW FLUID CONDUCTOR FORMATION FOR CIRCULATING COOLING FLUID THROUGH SAID FLUID CONDUCTOR FORMATION AND ADAPTED FOR COUPLING TO A COOLING FLUID SOURCE AND RETURN RESPECTIVELY, A TROUGH FIXED TO SAID WALLS INSIDE SAID TANK AT A POSITION BELOW SAID HOLLOW COOLING FLUID CONDUCTOR MEANS AND ABOVE SAID UPPER STEP LEVEL STORAGE COMPARTMENT CLOSURE FOR RECEIVING DEGREASING VAPOR CONDENSATE FLOWING DOWNWARDLY ON SAID WALLS INSIDE SAID TANK, DEGREASING FLUID FLOW CONTROL MEANS COUPLED TO SAID TROUGH THROUGH ONE OF SAID WALLS WITH CAPACITY FOR DRAINING FLUID FROM SAID TROUGH, A REMOVABLE COVER CLOSURE ON THE TOP OF SAID TANK, A GASKET OF REILIENT MATERIAL INTERPOSED BETWEEN SAID COVER AND UPPER WALL EXTERMITY FOR FORMING A VAPOR SEAL THEREBETWEEN, AND MEANS FIXED TO SAID COVER AND WALLS FOR RESILIENTLY AND PRESSURABLY FASTENING SAID COVER AGAINST THE TOP OF SAID TANK WHEREBY TO EFFECT WITH SAID GASKET AND UPPER WALL EXTREMITIES A VAPOR SEAL RELEASABLE UNDER A PRESELECTED PRESSURE OF VAPOR IN SAID TANK.
Claim 2
Dependent Claim
410 words
A PORTABLE COMBINED VAPOR DEGREASER AND DISTILLATION DEVICE COMPRISING A SHEET METAL TANK HAVING A PAIR OF END WALLS AND SIDE WALLS EXTENDING UPWARDLY WITH THE UPPER AND LOWER EXTREMITIES OF SAID WALLS FORMING THE TOP AND BOTTOM RESPECTIVELY OF SAID TANK, A STEP SHAPED METAL CLOSURE AT SAID BOTTOM WITH A LOWER STEP EXTENDING FROM ONE OF SAID END WALLS AND CHANGING AT A POSITION DISTAL FROM SAID ONE END WALL TO AN UPPER STEP LEVEL EXTENDING TO THE OTHER OF SAID END WALLS, A SUPPORT EXTENSION FROM SAID LOWER STEP SHEET METAL CLOSURE POSITION TOWARD SAID OTHER END TO FORM WITH SAID UPPER STEP LEVEL SHEET METAL CLOSURE A STORAGE COMPARTMENT FOR FLEXIBLE ELECTRICE SUPPLY CORD AND COOLING FLUID FLOW TUBING OF SAID DEGREASER, SAID COMPARTMENT BEING ENCLOSED BY EXPANDED METAL COMPONENTS WHEEL MEANS AT SAID BOTTOM FOR PROVIDING MOBILITY TO SAID DEVICE, SAID LOWER STEP LEVEL COMBINING WITH SAID SIDE WALLS AND SAID ONE END WALL TO FORM A DEGREASING FLUID BASIN, ELECTRICAL RESISTOR HEATING MEANS EXTENDING INTO SAID DEGREASING FLUID BASIN, ELECTRIC COUPLING MEANS INCLUDING AN ELONGATED FLEXIBLE ELECTRIC CONDUCTOR COUPLED TO SAID ELECTRIC RESISTOR HEATING MEANS AND ADAPTED FOR COUPLING SAID ELECTRIC HEATER MEANS TO AN ELECTRIC POWER SOURCE, A HOLLOW COOLING FLUID CONDUCTOR FORMATION INTEGRAL WITH SAID WALLS ABOUT THE PERIPHERY OF SAID TANK AT A POSITION DISTAL FROM SAID TOP FOR CARRYING COOLING FLUID IN HEAT CONDUCTING ENGAGEMENT WITH SAID WALLS, A FLEXIBLE INLET AND OUTLET FLUID CONDUCTOR MEANS COUPLED TO SAID HOLLOW FLUID CONDUCTOR FORMATION FOR CIRCULATING COOLING FLUID THROUGH SAID FLUID CONDUCTOR FORMATION AND ADAPTED FOR COUPLING TO A COOLING FLUID SOURCE AND RETURN RESPECTIVELY, A TROUGH FIXED TO SAID WALLS INSIDE SAID TANK AT A POSITION BELOW SAID HOLLOW COOLING FLUID CONDUCTOR MEANS AND ABOVE SAID UPPER STEP LEVEL STORAGE COMPARTMENT CLOSURE FOR RECEIVING DEGREASING VAPOR CONDENSATE FLOWING DOWNWARDLY ON SAID WALLS INSIDE SAID TANK, DEGREASING FLUID FLOW CONTROL MEANS COUPLED TO SAID TROUGH THROUGH ONE OF SAID WALLS WITH CAPACITY FOR DRAINING FLUID FROM SAID TROUGH, A REMOVABLE COVER CLOSURE ON THE TOP OF SAID TANK, A GASKET OF REILIENT MATERIAL INTERPOSED BETWEEN SAID COVER AND UPPER WALL EXTERMITY FOR FORMING A VAPOR SEAL THEREBETWEEN, AND MEANS FIXED TO SAID COVER AND WALLS FOR RESILIENTLY AND PRESSURABLY FASTENING SAID COVER AGAINST THE TOP OF SAID TANK WHEREBY TO EFFECT WITH SAID GASKET AND UPPER WALL EXTREMITIES A VAPOR SEAL RELEASABLE UNDER A PRESELECTED PRESSURE OF VAPOR IN SAID TANK.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |