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 23:27
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.
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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) | 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 |