Patent US4688057A successfully refreshed from Google Patents.
Patent US3352546A successfully refreshed from Google Patents.
US3352546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling tower sump
Assignee: Acme Industries Inc
•
Filing: 1966-05-16
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Granted: 1967-11-14
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Expires: 1986-05-16
Abstract
No abstract record available.
Inventors
- 👤 John B Greenfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:34
CPC Classifications
F; F28; F28F; F28F25/00; F28F25/02; F28F25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
209 words
IN COMBINATION WITH HEAT EXCHANGER APPARATUS UTILIZING MEANS FOR FLOWING A DISPERSED LIQUID STREAM DOWNWARDLY, GAS INLET MEANS FOR INTRODUCING A GAS INTO CONTACT WITH SAID LIQUID, A VERTICALLY DISPOSED SUPPORT STRUCTURE HAVING A LOWER PORTION, A SUMP MOUNTED WITHIN THE LOWER PORTION OF SAID SUPPORT STRUCTURE VERTICALLY BELOW SAID DISPERSED LIQUID STREAM TO RECEIVE THE SAME, SAID SUMP INCLUDING A PERIPHERAL EDGE AND A CENTER AND FORMED OF A ONE-PIECE SHEET OF BENDABLE MATERIAL, A PLURALITY OF FORMED SECTIONS OF DEFORMED SHEET MATERIAL DEFINED IN SAID SHEET, EACH OF SAID SECTIONS COMPRISING A PAIR OF INTERSECTING SHEET PORTIONS EACH HAVING A VERTICAL DIMENSION AND A LONGITUDINAL DIMENSION, EACH OF SAID SECTIONS EXTENDING FROM THE PERIPHERAL EDGE OF SAID SUMP TO SUBSTANTIALLY THE CENTER THEREOF, THE PORTIONS COMPRISING A COMMON SECTION CONVERGING TO INTERSECT WITH EACH OTHER IN THE DIRECTION OF THE VERTICAL DIMENSION AND DECREASING IN VERTICAL DIMENSION TOWARD THE CENTER OF SAID SUMP FORMING SAID SUMP INTO A FUNNEL-LIKE SHAPE, GENERALLY TRIANGULAR SHAPED WALL PORTIONS EXTENDING BETWEEN EACH OF SAID FORMED SHEET SECTION AND CONVERGING TOWARD THE CENTER OF SAID SUMP, SAID SUMP CENTER BEING VERTICALLY RELATED BELOW SAID PERIPHERAL EDGE, AND A DRAIN OUTLER DEFINED IN SAID SHEET MATERIAL FORMING SAID SUMP AT SAID SUMP CENTER.
Claim 2
Dependent Claim
209 words
IN COMBINATION WITH HEAT EXCHANGER APPARATUS UTILIZING MEANS FOR FLOWING A DISPERSED LIQUID STREAM DOWNWARDLY, GAS INLET MEANS FOR INTRODUCING A GAS INTO CONTACT WITH SAID LIQUID, A VERTICALLY DISPOSED SUPPORT STRUCTURE HAVING A LOWER PORTION, A SUMP MOUNTED WITHIN THE LOWER PORTION OF SAID SUPPORT STRUCTURE VERTICALLY BELOW SAID DISPERSED LIQUID STREAM TO RECEIVE THE SAME, SAID SUMP INCLUDING A PERIPHERAL EDGE AND A CENTER AND FORMED OF A ONE-PIECE SHEET OF BENDABLE MATERIAL, A PLURALITY OF FORMED SECTIONS OF DEFORMED SHEET MATERIAL DEFINED IN SAID SHEET, EACH OF SAID SECTIONS COMPRISING A PAIR OF INTERSECTING SHEET PORTIONS EACH HAVING A VERTICAL DIMENSION AND A LONGITUDINAL DIMENSION, EACH OF SAID SECTIONS EXTENDING FROM THE PERIPHERAL EDGE OF SAID SUMP TO SUBSTANTIALLY THE CENTER THEREOF, THE PORTIONS COMPRISING A COMMON SECTION CONVERGING TO INTERSECT WITH EACH OTHER IN THE DIRECTION OF THE VERTICAL DIMENSION AND DECREASING IN VERTICAL DIMENSION TOWARD THE CENTER OF SAID SUMP FORMING SAID SUMP INTO A FUNNEL-LIKE SHAPE, GENERALLY TRIANGULAR SHAPED WALL PORTIONS EXTENDING BETWEEN EACH OF SAID FORMED SHEET SECTION AND CONVERGING TOWARD THE CENTER OF SAID SUMP, SAID SUMP CENTER BEING VERTICALLY RELATED BELOW SAID PERIPHERAL EDGE, AND A DRAIN OUTLER DEFINED IN SAID SHEET MATERIAL FORMING SAID SUMP AT SAID SUMP CENTER.
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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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |