Patent US3687936A successfully refreshed from Google Patents.
Patent US2773029A successfully refreshed from Google Patents.
US2773029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water treating system
Assignee: Worthington Corp
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Filing: 1954-04-16
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Granted: 1956-12-04
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Expires: 1974-04-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Sebald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:58
CPC Classifications
B; B01; B01J; B01J49/00; B01J49/75
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE METHOD OF BRINGING THE ION EXCHANGE TYPE SECONDARY SOFTENER BATTERY OF A PRECIPITATING TYPE WATER SOFTENING SYSTEM UP TO OPERATING TEMPERATURE WHICH CONSISTS IN SIMULTANEOUSLY PASSING STEAM AND WATER TO A DIRECT CONTACT HEATER, RECIRCULATING THE WATER THROUGH SAID HEATER TO HEAT AND TO DEAERATE THE WATER, DELIVERING THE PREHEATED AND DEAERATED WATER TO SAID SECONDARY SOFTENER BATTERY TO GRADUALLY HEAT THE ION EXCHANGE MATERIAL THEREIN UP TO OPERATING TEMPERATURE, AND PASSING THE COOLED WATER FROM SAID SECONDARY SOFTENER BATTERY TO WASTE.
Claim 2
Independent Claim
83 words
THE METHOD OF BRINGING THE ION EXCHANGE TYPE SECONDARY SOFTENER BATTERY OF A PRECIPITATING TYPE WATER SOFTENING SYSTEM UP TO OPERATING TEMPERATURE WHICH CONSISTS IN SIMULTANEOUSLY PASSING STEAM AND WATER TO A DIRECT CONTACT HEATER, RECIRCULATING THE WATER THROUGH SAID HEATER TO HEAT AND TO DEAERATE THE WATER, DELIVERING THE PREHEATED AND DEAERATED WATER TO SAID SECONDARY SOFTENER BATTERY TO GRADUALLY HEAT THE ION EXCHANGE MATERIAL THEREIN UP TO OPERATING TEMPERATURE, AND PASSING THE COOLED WATER FROM SAID SECONDARY SOFTENER BATTERY TO WASTE.
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) | 1959-12-04 | 1960-06-04 | 1960-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-04 | 1964-06-04 | 1964-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-04 | 1968-06-04 | 1968-12-04 | $7700.00 | Window Closed / Lapsed |