US3243170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tower packing units
Assignee: Hydronyl Ltd
•
Filing: 1962-04-12
•
Granted: 1966-03-29
•
Expires: 1982-04-12
Abstract
No abstract record available.
Inventors
- 👤 Ellis Stephen Robert Mercer
- 👤 Porter Kenneth Edwin
- 👤 Jones Michael Carl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:05
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/32; F; F28; F28F; F28F25/00; F28F25/02; F28F25/08; B01J2219/00; B01J2219/32; B01J2219/322; B01J2219/32203; B01J2219/3221; B01J2219/32213; B01J2219/32224; B01J2219/32227; B01J2219/32255; B01J2219/32258; B01J2219/324; B01J2219/32408; Y; Y10; Y10S; Y10S261/00; Y10S261/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN A TOWER PACKING UNIT FOR USE IN MASS TRANSFER PROCESSES CARRIED OUT IN VAPOUR/LIQUID CONTACT APPARATUS, THE COMBINATION COMPRISING A PLURALITY OF SECTIONS OF A FLATTENED KNITTED TUBE OF MULTI-FILAMENT MATERIAL, SAID PLURALITY OF SECTIONS BEING CONSTITUTED BY A CONTINUOUS LENGTH OF FLATTENED TUBE FOLDED BACK AND FORTH UPON ITSELF AND BEING LOCATED IN SIDE-BY-SIDE TOUCHING RELATION IN VERTICALLY DISPOSED PLANES, SAID FLATTENED KNITTED TUBE SECTIONS BEING CRIMPED ALONG PARALLEL LINES AT AN ANGLE TO THE LONGITUDINAL CENTRE LINE OF SAID TUBE AND THE LINES OF CRIMPING OF ADJACENT SECTIONS CROSSING ONE ANOTHER, SAID PACKING UNIT HAVING SUBSTANTIALLY THE SAME DIAMETER AS THAT OF A TOWER INTO WHICH IT IS TO BE FITTED.
Claim 2
Dependent Claim
114 words
IN A TOWER PACKING UNIT FOR USE IN MASS TRANSFER PROCESSES CARRIED OUT IN VAPOUR/LIQUID CONTACT APPARATUS, THE COMBINATION COMPRISING A PLURALITY OF SECTIONS OF A FLATTENED KNITTED TUBE OF MULTI-FILAMENT MATERIAL, SAID PLURALITY OF SECTIONS BEING CONSTITUTED BY A CONTINUOUS LENGTH OF FLATTENED TUBE FOLDED BACK AND FORTH UPON ITSELF AND BEING LOCATED IN SIDE-BY-SIDE TOUCHING RELATION IN VERTICALLY DISPOSED PLANES, SAID FLATTENED KNITTED TUBE SECTIONS BEING CRIMPED ALONG PARALLEL LINES AT AN ANGLE TO THE LONGITUDINAL CENTRE LINE OF SAID TUBE AND THE LINES OF CRIMPING OF ADJACENT SECTIONS CROSSING ONE ANOTHER, SAID PACKING UNIT HAVING SUBSTANTIALLY THE SAME DIAMETER AS THAT OF A TOWER INTO WHICH IT IS TO BE FITTED.
References Cited (Backward Citations)
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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) | 1969-03-28 | 1969-09-27 | 1970-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-28 | 1973-09-27 | 1974-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-28 | 1977-09-27 | 1978-03-29 | $7700.00 | Window Closed / Lapsed |