Patent US4970624A successfully refreshed from Google Patents.
Patent US2809158A successfully refreshed from Google Patents.
US2809158A
Expired / Lapsed
US
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Method and apparatus for sequestering soluble impurities in water
Assignee: Individual
•
Filing: 1953-01-19
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Granted: 1957-10-08
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Expires: 1973-01-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Yustick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:41
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/007; C; C02; C02F; C02F9/00; C02F9/20; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87265; Y10T137/87338; Y10T137/87362; Y10T137/8737
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
THE METHOD OF SOFTENING HARD WATER COMPRISING DIRECTING A STREAM OF WATER DOWNWARD AGAINST AND ALONG A BODY OF A COMMINUTED SEQUESTERING AGENT THEREBENEATH WHEREBY THE HARDENING ELEMENTS IN SOLUTION ARE SEQUESTERED AND SOME OF THE AGENT IS PICKED UP AND CARRIED IN SUSPENSION, IN COMMINGLING THE WATER THUS TREATED WITH AN ADDITIONAL QUANTITY OF UNTREATED WATER TO UTILIZE THE REMAINING SEQUESTERING POTENTIALITY OF THE SUSPENDED PARTICLES AND TO SOFTEN THE ENTIRE VOLUME AND FILTERING TO REMOVE ANY SUSPENDED PARTICLES.
Claim 2
Independent Claim
80 words
THE METHOD OF SOFTENING HARD WATER COMPRISING DIRECTING A STREAM OF WATER DOWNWARD AGAINST AND ALONG A BODY OF A COMMINUTED SEQUESTERING AGENT THEREBENEATH WHEREBY THE HARDENING ELEMENTS IN SOLUTION ARE SEQUESTERED AND SOME OF THE AGENT IS PICKED UP AND CARRIED IN SUSPENSION, IN COMMINGLING THE WATER THUS TREATED WITH AN ADDITIONAL QUANTITY OF UNTREATED WATER TO UTILIZE THE REMAINING SEQUESTERING POTENTIALITY OF THE SUSPENDED PARTICLES AND TO SOFTEN THE ENTIRE VOLUME AND FILTERING TO REMOVE ANY SUSPENDED PARTICLES.
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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) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |