US3299252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric fluid heating device
Assignee: Individual
•
Filing: 1964-08-10
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Granted: 1967-01-17
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Expires: 1984-08-10
Abstract
No abstract record available.
Inventors
- 👤 John E Meek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:05
CPC Classifications
F; F24; F24H; F24H1/00; F24H1/10; F24H1/101; F24H1/106
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
AN APPARATUS FOR ELECTRICALLY HEATING LIQUIDS COMPRISING A HOLLOW CASING HAVING INLET AND OUTLET PORTS, A NON-CONDUCTIVE LINER HELD ASSEMBLED WITHIN SAID CASING, SAID LINER COMPLETELY COVERING THE CASING INTERIORLY AND DEFINING A FLUID FLOW PASSAGEWAY BETWEEN THE INLET AND OUTLET PORTS INCLUDING CHAMBERS RESPECTIVELY COMMUNICATING WITH SAID INLET AND OUTLET PORTS AND AN ELECTRODE PASSAGE BETWEEN THE CHAMBERS, SPACED ELECTRODES POSITIONED IN SAID ELECTRODE PASSAGE BETWEEN SAID CHAMBERS, AND SPACED PARTITION MEANS CONNECTED TO THE LINER BETWEEN EACH OF THE CHAMBERS AND THE ELECTRODE PASSAGE HAVING CIRCUITOUS PASSAGES FORMED THEREIN COMMUNICATING WITH SAID CHAMBERS AND THE ELECTRODE PASSAGE.
Claim 2
Independent Claim
99 words
AN APPARATUS FOR ELECTRICALLY HEATING LIQUIDS COMPRISING A HOLLOW CASING HAVING INLET AND OUTLET PORTS, A NON-CONDUCTIVE LINER HELD ASSEMBLED WITHIN SAID CASING, SAID LINER COMPLETELY COVERING THE CASING INTERIORLY AND DEFINING A FLUID FLOW PASSAGEWAY BETWEEN THE INLET AND OUTLET PORTS INCLUDING CHAMBERS RESPECTIVELY COMMUNICATING WITH SAID INLET AND OUTLET PORTS AND AN ELECTRODE PASSAGE BETWEEN THE CHAMBERS, SPACED ELECTRODES POSITIONED IN SAID ELECTRODE PASSAGE BETWEEN SAID CHAMBERS, AND SPACED PARTITION MEANS CONNECTED TO THE LINER BETWEEN EACH OF THE CHAMBERS AND THE ELECTRODE PASSAGE HAVING CIRCUITOUS PASSAGES FORMED THEREIN COMMUNICATING WITH SAID CHAMBERS AND THE ELECTRODE PASSAGE.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |