US2756130A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pebble heat exchange chamber
Assignee: Phillips Petroleum Co
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Filing: 1951-12-10
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Granted: 1956-07-24
•
Expires: 1971-12-10
Abstract
No abstract record available.
Inventors
- 👤 Louis C Bearer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:43
CPC Classifications
F; F28; F28C; F28C3/00; F28C3/10; F28C3/12; F28C3/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
AN IMPROVED PEBBLE HEAT EXCHANGE CHAMBER COMPRISING IN COMBINATION A CLOSED, UPRIGHT, ELONGATED SHELL; PEBBLE INLET MEANS IN THE UPPER END OF SAID SHELL; GASEOUS EFFLUENT CONDUIT MEANS IN THE UPPER PORTION OF SAID SHELL; A PEBBLE OUTLET IN THE LOWER END OF SAID SHELL; FLUID INLET MEANS IN THE LOWER PORTION OF SAID SHELL; A TUBULAR PEBBLE BAFFLE COAXIALLY POSITIONED AND LOGITUDINALLY POSITIONABLE IN THE LOWER PORTION OF THE CHAMBER FORMED WITHIN SAID SHELL AND SPACED ABOVE SAID PEBBLE OUTLET; SUPPORT MEANS EXTENDING FROM THE LOWER PORTION OF SAID SHELL UPWARDLY TO SAID BAFFLE IN ITS LOWERMOST POSITION; AND ADJUSTABLE CLOSURE TRANSVERSELY POSITIONED WITH RESPECT TO, ALIGNED WITH, AND DISPOSED IN CLOSE PROXIMITY TO SAID TUBULAR BAFFLE; AT LEAST ONE FIRST ELEVATING MEMBER EXTENSIBLY RETAINED IN THE LOWER PORTION OF SAID SHELL, EXTENDING UPWARDLY TO SAID ADJUSTABLE CLOSURE AND CONNECTED THERETO; AND ACTUATING MEANS OPERATIVELY CONNECTED TO SAID FIRST ELEVATING MEMBER.
Claim 2
Dependent Claim
152 words
AN IMPROVED PEBBLE HEAT EXCHANGE CHAMBER COMPRISING IN COMBINATION A CLOSED, UPRIGHT, ELONGATED SHELL; PEBBLE INLET MEANS IN THE UPPER END OF SAID SHELL; GASEOUS EFFLUENT CONDUIT MEANS IN THE UPPER PORTION OF SAID SHELL; A PEBBLE OUTLET IN THE LOWER END OF SAID SHELL; FLUID INLET MEANS IN THE LOWER PORTION OF SAID SHELL; A TUBULAR PEBBLE BAFFLE COAXIALLY POSITIONED AND LOGITUDINALLY POSITIONABLE IN THE LOWER PORTION OF THE CHAMBER FORMED WITHIN SAID SHELL AND SPACED ABOVE SAID PEBBLE OUTLET; SUPPORT MEANS EXTENDING FROM THE LOWER PORTION OF SAID SHELL UPWARDLY TO SAID BAFFLE IN ITS LOWERMOST POSITION; AND ADJUSTABLE CLOSURE TRANSVERSELY POSITIONED WITH RESPECT TO, ALIGNED WITH, AND DISPOSED IN CLOSE PROXIMITY TO SAID TUBULAR BAFFLE; AT LEAST ONE FIRST ELEVATING MEMBER EXTENSIBLY RETAINED IN THE LOWER PORTION OF SAID SHELL, EXTENDING UPWARDLY TO SAID ADJUSTABLE CLOSURE AND CONNECTED THERETO; AND ACTUATING MEANS OPERATIVELY CONNECTED TO SAID FIRST ELEVATING MEMBER.
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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) | 1959-07-24 | 1960-01-23 | 1960-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-24 | 1964-01-23 | 1964-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-24 | 1968-01-23 | 1968-07-24 | $7700.00 | Window Closed / Lapsed |