Patent US3174623A successfully refreshed from Google Patents.
US3174623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water softener
Assignee: Individual
•
Filing: 1961-04-06
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Granted: 1965-03-23
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Expires: 1981-04-06
Abstract
No abstract record available.
Inventors
- 👤 Charles H Sloan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:21
CPC Classifications
B; B01; B01J; B01J47/00; B01J47/02; B01J47/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
IN A WATER SOFTENER, A TANK WITH A CLOSED BOTTOM AND TOP WITH A CENTRAL OPENING THEREIN, A HEAD SECURED IN SAID OPENING HAVING INLET AND OUTLET PASSAGEWAYS, A COLLECTOR TUBE SUSPENDED FROM SAID HEAD, WITH ITS INTERIOR IN COMMUNICATION WITH SAID OUTLET PASSAGEWAY, A TUBULAR COLLECTOR SURROUNDING SAID TUBE AT ITS BOTTOM END AND LYING NEAR THE TANKS BOTTOM, SAID COLLECTOR HAVING A PLURALITY OF PARALLEL AND SPACED KERFS FORMING OPENINGS THROUGH SAID COLLECTOR, AND A DIFFUSER SURROUNDING SAID TUBE AT ITS TOP AND THE COMMUNICATION WITH THE INLET PASSAGEWAY, SAID DIFFUSER HAVING PARALLEL SPACED KERFS FORMING OPENINGS IN THE DIFFUSER SIDE WALLS AND A PLURALITY OF SPACED BAFFLES SECURED TO THE COLLECTOR TUBE BETWEEN SAID COLLECTOR AND DIFFUSER, EACH SUCH BAFFLE HAVING A DIAMETER
Claim 2
Dependent Claim
126 words
IN A WATER SOFTENER, A TANK WITH A CLOSED BOTTOM AND TOP WITH A CENTRAL OPENING THEREIN, A HEAD SECURED IN SAID OPENING HAVING INLET AND OUTLET PASSAGEWAYS, A COLLECTOR TUBE SUSPENDED FROM SAID HEAD, WITH ITS INTERIOR IN COMMUNICATION WITH SAID OUTLET PASSAGEWAY, A TUBULAR COLLECTOR SURROUNDING SAID TUBE AT ITS BOTTOM END AND LYING NEAR THE TANKS BOTTOM, SAID COLLECTOR HAVING A PLURALITY OF PARALLEL AND SPACED KERFS FORMING OPENINGS THROUGH SAID COLLECTOR, AND A DIFFUSER SURROUNDING SAID TUBE AT ITS TOP AND THE COMMUNICATION WITH THE INLET PASSAGEWAY, SAID DIFFUSER HAVING PARALLEL SPACED KERFS FORMING OPENINGS IN THE DIFFUSER SIDE WALLS AND A PLURALITY OF SPACED BAFFLES SECURED TO THE COLLECTOR TUBE BETWEEN SAID COLLECTOR AND DIFFUSER, EACH SUCH BAFFLE HAVING A DIAMETER
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |