Patent US1421664A successfully refreshed from Google Patents.
Patent US3401116A successfully refreshed from Google Patents.
US3401116A
Expired / Lapsed
US
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Method of chlorinating water in a reservoir and apparatus therefor
Assignee: Sta Rite Industries LLC
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Filing: 1966-09-29
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Granted: 1968-09-10
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Expires: 1986-09-29
Abstract
No abstract record available.
Inventors
- 👤 David A Stanwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:49
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/688; Y; Y10; Y10T; Y10T137/00; Y10T137/4891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
THE METHOD OF CHLORINATING WATER IN A WATER RESERVOIR WHICH COMPRISES PLACING THE WATER OF THE RESERVOIR IN COMMUNICATION WITH AN ENCLOSED TANK WHICH CONTAINS A COMPOUND CAPABLE OF RELEASING CHLORINE GAS UPON CONTACT WITH WATER, APPLYING SUFFICIENT PRESSURE TO THE RESERVOIR WATER ENTERING THE TANK TO CAUSE IT TO RISE SUFFICIENTLY TO WET THE COMPOUND TO GENERATE CHLORINE GAS, DISSOLVING SOME OF THE CHLORINE GAS IN THE WATER IN THE TANK AND DEVELOPING SUFFICIENT PRESSURE OF THE UNDISSOLVED CHLORINE GAS IN THE TANK TO DRIVE CHLORINE-CONTAINING WATER OUT OF
Claim 2
Independent Claim
90 words
THE METHOD OF CHLORINATING WATER IN A WATER RESERVOIR WHICH COMPRISES PLACING THE WATER OF THE RESERVOIR IN COMMUNICATION WITH AN ENCLOSED TANK WHICH CONTAINS A COMPOUND CAPABLE OF RELEASING CHLORINE GAS UPON CONTACT WITH WATER, APPLYING SUFFICIENT PRESSURE TO THE RESERVOIR WATER ENTERING THE TANK TO CAUSE IT TO RISE SUFFICIENTLY TO WET THE COMPOUND TO GENERATE CHLORINE GAS, DISSOLVING SOME OF THE CHLORINE GAS IN THE WATER IN THE TANK AND DEVELOPING SUFFICIENT PRESSURE OF THE UNDISSOLVED CHLORINE GAS IN THE TANK TO DRIVE CHLORINE-CONTAINING WATER OUT OF
References Cited (Backward Citations)
US2820701A
Cited
US3129172A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |