US3262685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gas quencher
Assignee: Chemical Construction Corp
•
Filing: 1963-11-08
•
Granted: 1966-07-26
•
Expires: 1983-11-08
Abstract
No abstract record available.
Inventors
- 👤 Daniel E Pike
- 👤 Jr Frank C Braemer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:08
CPC Classifications
F; F28; F28C; F28C3/00; F28C3/06; Y; Y10; Y10S; Y10S261/00; Y10S261/09; Y10S261/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
AN APPARATUS FOR TRANSFERRING AND QUENCH-SCRUBBING A HOT GAS STREAM CONTAINING ENTRAINED SOLID PARTICLES WHICH COMPRISES A DUCT EXTENDING FROM HOT GAS SUPPLY MEANS AND TERMINATING WITH A VERTICALLY DOWNWARD SECTION, SAID DUCT BEING PROVIDED WITH A PLURALITY OF PARALLEL SPACED APART EXTERNAL CHANNELS ON ITS OUTER SURFACE, SAID CHANNELS BEING ORIENTED PARALLEL TO THE CENTRAL AXIS OF SAID DUCT, MEANS TO PASS COOLING WATER THROUGH SAID CHANNELS WHEREBY OVERHEATING OF SAID DUCT IS PREVENTED, EACH OF SAID CHANNELS BEING PROVIDED WITH AN INDIVIDUAL VALVE FOR CONTROL OF WATER FLOW RATE, WHEREBY SAID DUCT IS MAINTAINED AT A SUBSTANTIALLY UNIFORM TEMPERATURE, A BAFFLE EXTENDING INWARDS AND DOWNWARDS FROM THE WALL OF SAID DUCT IN SAID DOWNWARD SECTION AND TERMINATING AT A CENTRAL OPENING, A PLURALITY OF NOZZLES EXTENDING INTO SAID
Claim 2
Independent Claim
130 words
AN APPARATUS FOR TRANSFERRING AND QUENCH-SCRUBBING A HOT GAS STREAM CONTAINING ENTRAINED SOLID PARTICLES WHICH COMPRISES A DUCT EXTENDING FROM HOT GAS SUPPLY MEANS AND TERMINATING WITH A VERTICALLY DOWNWARD SECTION, SAID DUCT BEING PROVIDED WITH A PLURALITY OF PARALLEL SPACED APART EXTERNAL CHANNELS ON ITS OUTER SURFACE, SAID CHANNELS BEING ORIENTED PARALLEL TO THE CENTRAL AXIS OF SAID DUCT, MEANS TO PASS COOLING WATER THROUGH SAID CHANNELS WHEREBY OVERHEATING OF SAID DUCT IS PREVENTED, EACH OF SAID CHANNELS BEING PROVIDED WITH AN INDIVIDUAL VALVE FOR CONTROL OF WATER FLOW RATE, WHEREBY SAID DUCT IS MAINTAINED AT A SUBSTANTIALLY UNIFORM TEMPERATURE, A BAFFLE EXTENDING INWARDS AND DOWNWARDS FROM THE WALL OF SAID DUCT IN SAID DOWNWARD SECTION AND TERMINATING AT A CENTRAL OPENING, A PLURALITY OF NOZZLES EXTENDING INTO SAID
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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) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |