Patent US2866759A successfully refreshed from Google Patents.
US2866759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for treating water
Assignee: WARREN C HORTON
•
Filing: 1955-05-10
•
Granted: 1958-12-30
•
Expires: 1975-05-10
Abstract
No abstract record available.
Inventors
- 👤 Bacon Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:11
CPC Classifications
C; C02; C02F; C02F5/00; C02F5/02; C02F5/06; B; B01; B01J; B01J20/00; B01J20/02; B01J20/0203; B01J20/0225; B01J20/0229; B01J20/0248; B01J20/0274; B01J20/0281; B01J20/04; B01J20/041; B01J20/043; B01J20/06; B01J20/08; C02F1/00; C02F1/52; C02F1/5236; C02F1/5245; B01J2220/00; B01J2220/40; B01J2220/42; C02F2101/00; C02F2101/30; C02F2101/308
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A COMPOSITION FOR THE TREATMENT OF WATER COMPRISING AN INTIMATE MIXTURE OF 20 TO 70% LIMESTONE, 5 TO 20% SODIUM HYDROXIDE, 5 TO 20% SODIUM ALUMINATE, AND 20 TO 70% OF A HYDROLYZABLE, FLOC-FORMING, ACID SALT OF THE GROUP CONSISTING OF ALUMINUM SULFATE, FERRIC SULFATE AND FERROUS SULFATE.
Claim 2
Dependent Claim
48 words
A COMPOSITION FOR THE TREATMENT OF WATER COMPRISING AN INTIMATE MIXTURE OF 20 TO 70% LIMESTONE, 5 TO 20% SODIUM HYDROXIDE, 5 TO 20% SODIUM ALUMINATE, AND 20 TO 70% OF A HYDROLYZABLE, FLOC-FORMING, ACID SALT OF THE GROUP CONSISTING OF ALUMINUM SULFATE, FERRIC SULFATE AND FERROUS SULFATE.
References Cited (Backward Citations)
US629411A
Cited
US653008A
Cited
US1440253A
Cited
FR596172A
Cited
US1679777A
Cited
US1918555A
Cited
US2102219A
Cited
US2284827A
Cited
CH236595A
Cited
NL63398C
Cited
US2534284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |