US2899381A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cornelius otto jonkers
Assignee: —
•
Filing: —
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Granted: 1959-08-11
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Expires: 1976-08-11
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:26
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/08; C; C09; C09D; C09D191/00; C09D191/005; F25B; F25B9/00; F25B9/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A HEAT EXCHANGER FOR A COLD GAS REFRIGERATOR CONTAINING A MEDIUM IN WHICH A PLURALITY OF COMPONENTS ARE COOLED AND AT LEAST ONE OF THE COMPONENTS IS SEPARATED OUT COMPRISING; A FREEZER HEAD FOR SAID REFRIGERATOR, A SUPPORT MOUNTED OVER SAID FREEZER HEAD AND A PLURALITY OF SUBSTANTIALLY PARALLEL, APERTURED PLATE-SHAPED EXTENSIONS LOCATED IN SPACED, SUPERPOSED RELATIONSHIP ON SAID SUPPORT AND EXTENDING IN A PLANE TRANSVERSE TO THE LONGITUDINAL AXIS OF SAID SUPPORT; SAID MEDIUM BEING IN THERMAL CONTACT WITH SAID EXTENSIONS AND ENTERING THE HOT SIDE OF THE HEAT EXCHANGER AND LEAVING FROM THE COLD SIDE THEREOF AFTER TRAVERSING ALL OF SAID EXTENSIONS SUCCESSIVELY; AND INSULATING WALL SURROUNDING SAID EXTENSIONS; THE LOCATION OF SAID APERTURES BEING STAGGERED IN SUCCESSIVE EXTENSIONS AND HAVING MATERIAL SURROUNDING EACH OF SAID APERTURES OF SUCH A FORM THAT THE DISTANCE BETWEEN SAID MATERIAL SURROUNDING SAID APERTURE AND THE ADJACENT EXTENSION ON THE COLD SIDE THEREOF EXCEEDS THE DISTANCE BETWEEN SAID MATERIAL SURROUNDING SAID APERTURE AND THE ADJACENT EXTENSION ON THE HOT SIDE THEREOF.
Claim 2
Dependent Claim
169 words
A HEAT EXCHANGER FOR A COLD GAS REFRIGERATOR CONTAINING A MEDIUM IN WHICH A PLURALITY OF COMPONENTS ARE COOLED AND AT LEAST ONE OF THE COMPONENTS IS SEPARATED OUT COMPRISING; A FREEZER HEAD FOR SAID REFRIGERATOR, A SUPPORT MOUNTED OVER SAID FREEZER HEAD AND A PLURALITY OF SUBSTANTIALLY PARALLEL, APERTURED PLATE-SHAPED EXTENSIONS LOCATED IN SPACED, SUPERPOSED RELATIONSHIP ON SAID SUPPORT AND EXTENDING IN A PLANE TRANSVERSE TO THE LONGITUDINAL AXIS OF SAID SUPPORT; SAID MEDIUM BEING IN THERMAL CONTACT WITH SAID EXTENSIONS AND ENTERING THE HOT SIDE OF THE HEAT EXCHANGER AND LEAVING FROM THE COLD SIDE THEREOF AFTER TRAVERSING ALL OF SAID EXTENSIONS SUCCESSIVELY; AND INSULATING WALL SURROUNDING SAID EXTENSIONS; THE LOCATION OF SAID APERTURES BEING STAGGERED IN SUCCESSIVE EXTENSIONS AND HAVING MATERIAL SURROUNDING EACH OF SAID APERTURES OF SUCH A FORM THAT THE DISTANCE BETWEEN SAID MATERIAL SURROUNDING SAID APERTURE AND THE ADJACENT EXTENSION ON THE COLD SIDE THEREOF EXCEEDS THE DISTANCE BETWEEN SAID MATERIAL SURROUNDING SAID APERTURE AND THE ADJACENT EXTENSION ON THE HOT SIDE THEREOF.
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) | 1962-08-10 | 1963-02-09 | 1963-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-10 | 1967-02-09 | 1967-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-10 | 1971-02-09 | 1971-08-11 | $7700.00 | Window Closed / Lapsed |