US3096426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical paint heater
Assignee: Individual
•
Filing: 1961-04-03
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Granted: 1963-07-02
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Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 Axelson Eskil Anders August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:03
CPC Classifications
B; B05; B05B; B05B7/00; B05B7/16; B05B7/1606; B05B7/1613; B05B7/1646; F; F24; F24H; F24H1/00; F24H1/10; F24H1/12; F24H1/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
AN ELECTRICAL FLOW HEATER FOR PAINT AND COMPRESSED AIR COMPRISING: A ONE PIECE THERMALLY CONDUCTIVE BODY, A HEATING ELEMENT ENCASED IN SAID BODY, SIAD BODY BEING OF FRUSTO-CONICAL SHAPE AND BEING PROVIDED WITH A HELICAL GROOVE PERPHERALLY FORMED THEREIN, SAID GROOVE DECREASING IN DEPTH IN RELATION TO THE DECREASING DIAMETER OF SAID BODY, A FRUSTO-CONICAL CASING HAVING A SMOOTH INNER SURFACE SURROUNDING SAID BODY AND IN SUBSTANTIALLY PERIPHERAL SEALING CONTACT WITH SAID BODY WHEREBY SAID HELICAL GROOVE PROVIDES A CLOSED HELICAL CHANNEL, SAID CASING BEING PROVIDED WITH OPENINGS IN COMMUNICATION WITH SAID GROOVE AT OPPOSITE ENDS OF THE BODY TO CONSTITUTE AN INLET AND AN OUTLET FOR SAID CHANNEL TO ENABLE THE CIRCULATION OF PAINT THROUGH SAID CHANNEL, SAID PAINT ABSORBING HEAT FROM THE BODY WHICH IS HEATED BY THE HEATING ELEMENT AS THE PAINT TRAVERSES SAID PATH, AND A U-SHAPED TUBE HAVING AN INLET AND AN OUTLET FOR AIR ENCASED WITHIN SAID BODY, SAID TUBE EXTENDING IN A PERIPHERAL ZONE IN SAID BODY BETWEEN THE HEATING ELEMENT AND THE CLOSED CHANNEL.
Claim 2
Dependent Claim
172 words
AN ELECTRICAL FLOW HEATER FOR PAINT AND COMPRESSED AIR COMPRISING: A ONE PIECE THERMALLY CONDUCTIVE BODY, A HEATING ELEMENT ENCASED IN SAID BODY, SIAD BODY BEING OF FRUSTO-CONICAL SHAPE AND BEING PROVIDED WITH A HELICAL GROOVE PERPHERALLY FORMED THEREIN, SAID GROOVE DECREASING IN DEPTH IN RELATION TO THE DECREASING DIAMETER OF SAID BODY, A FRUSTO-CONICAL CASING HAVING A SMOOTH INNER SURFACE SURROUNDING SAID BODY AND IN SUBSTANTIALLY PERIPHERAL SEALING CONTACT WITH SAID BODY WHEREBY SAID HELICAL GROOVE PROVIDES A CLOSED HELICAL CHANNEL, SAID CASING BEING PROVIDED WITH OPENINGS IN COMMUNICATION WITH SAID GROOVE AT OPPOSITE ENDS OF THE BODY TO CONSTITUTE AN INLET AND AN OUTLET FOR SAID CHANNEL TO ENABLE THE CIRCULATION OF PAINT THROUGH SAID CHANNEL, SAID PAINT ABSORBING HEAT FROM THE BODY WHICH IS HEATED BY THE HEATING ELEMENT AS THE PAINT TRAVERSES SAID PATH, AND A U-SHAPED TUBE HAVING AN INLET AND AN OUTLET FOR AIR ENCASED WITHIN SAID BODY, SAID TUBE EXTENDING IN A PERIPHERAL ZONE IN SAID BODY BETWEEN THE HEATING ELEMENT AND THE CLOSED CHANNEL.
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) | 1966-07-01 | 1966-12-31 | 1967-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-01 | 1970-12-31 | 1971-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-01 | 1974-12-31 | 1975-07-02 | $7700.00 | Window Closed / Lapsed |