US2809102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pebble heater apparatus
Assignee: Phillips Petroleum Co
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Filing: 1954-02-23
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Granted: 1957-10-08
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Expires: 1974-02-23
Abstract
No abstract record available.
Inventors
- 👤 Dick S Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:50
CPC Classifications
F; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN IMPROVED REACTOR FOR PEBBLE HEATER APPARATUS WHICH COMPRISES, IN COMBINATION, AND UPRIGHT ELONGATED ENCLOSED SHELL; PEBBLE INLET MEANS IN THE UPPER END OF SAID SHELL; GASEOUS EFFLUENT OUTLET CONDUIT MEANS IN THE UPPER PORTION OF SAID SHELL; PEBBLE OUTLET MEANS IN THE LOWER PORTION OF SAID SHELL; PEBBLE OUTLET MEANS IN THE LOWER PORTION OF SAID SHELL; CONDUIT MEANS CONNECTED TO SAID PEBBLE OUTLET MEANS; MEANS FOR INTRODUCING INERT GAS INTO SAID CONDUIT MEANS; AND PLUNGER MEANS DISPOSED IN SAID CONDUIT MEANS, SAID PLUNGER MEANS BEING ADAPTED TO EXTEND UPWARDLY INTO THE LOWER PORTION OF SAID SHELL WHEN SAID PLUNGER MEANS IS IN A RAISED POSITION.
Claim 2
Dependent Claim
107 words
AN IMPROVED REACTOR FOR PEBBLE HEATER APPARATUS WHICH COMPRISES, IN COMBINATION, AND UPRIGHT ELONGATED ENCLOSED SHELL; PEBBLE INLET MEANS IN THE UPPER END OF SAID SHELL; GASEOUS EFFLUENT OUTLET CONDUIT MEANS IN THE UPPER PORTION OF SAID SHELL; PEBBLE OUTLET MEANS IN THE LOWER PORTION OF SAID SHELL; PEBBLE OUTLET MEANS IN THE LOWER PORTION OF SAID SHELL; CONDUIT MEANS CONNECTED TO SAID PEBBLE OUTLET MEANS; MEANS FOR INTRODUCING INERT GAS INTO SAID CONDUIT MEANS; AND PLUNGER MEANS DISPOSED IN SAID CONDUIT MEANS, SAID PLUNGER MEANS BEING ADAPTED TO EXTEND UPWARDLY INTO THE LOWER PORTION OF SAID SHELL WHEN SAID PLUNGER MEANS IS IN A RAISED POSITION.
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) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |