Patent US3130151A successfully refreshed from Google Patents.
US3130151A
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Resin transfer system
Assignee: Union Tank Car Co
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Filing: 1961-06-02
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Granted: 1964-04-21
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Expires: 1981-06-02
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Levendusky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:52
CPC Classifications
B; B29; B29C; B29C31/00; B29C31/02; B01; B01J; B01J47/00; B01J47/10; B01J8/00; B01J8/18; B01J8/20; B01J8/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
122 words
IN A WATER DEMINERALIZATION INSTALLATION INCORPORATING AN EXTERNAL RESIN REGENERATION SYSTEM THE METHOD OF TRANSFERRING MIXED ION EXCHANGE RESINS OF DIFFERING DENSITIES FROM A REGENERATION UNIT TO A SERVICE UNIT VIA INTERCONNECTING TRANSFER LINES COMPRISING FLUIDIZING THE REGENERATED RESIN MASS BY INTRODUCING WATER AND GAS INTO THE RESIN MASS, PRESSURIZING THE FLUIDIZED MASS BY INTRODUCING GAS INTO THAT PART OF THE REGENERATING UNIT NOT OCCUPIED BY THE FLUIDIZED RESIN MASS UNDER SUFFICIENT PRESSURE TO FORCE THE FLUIDIZED RESIN MASS FROM THE REGENERATION TANK THROUGH THE INTERCONNECTING TRANSFER LINES INTO THE SERVICE TANK, THE ACTION OF THE GAS AND WATER UNDER PRESSURE PERMITTING THE TRANSFER OF THE RESINS THROUGH THE INTERCONNECTING TRANSFER LINES WITH A MINIMUM VOLUME OF WATER AND WITH MINIMUM FRICTION.
References Cited (Backward Citations)
US2572082A
Cited
US2736698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |