US2887444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of and means for chlorinating swimming pools or the like
Assignee: GEORGE H GRAVES
•
Filing: 1957-03-25
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Granted: 1959-05-19
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Expires: 1977-03-25
Abstract
No abstract record available.
Inventors
- 👤 Frank F Lindstaedt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:41
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/461; C02F1/467; C02F1/4672; C02F1/4674; C02F2103/00; C02F2103/42; Y; Y02; Y02W; Y02W10/00; Y02W10/30; Y02W10/37
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE METHOD OF CHLORINATING A CONFINED RELATIVELY LARGE BODY OF WATER WHICH COMPRISES THE STEPS OF ADDING SODIUM CHLORIDE TO THE BODY OF WATER TO FORM A LOW CONCENTRATION SALINE SOLUTION, REMOVING A PORTION OF THE SALINE SOLUTION FROM THE BODY OF WATER, REMOVING A IT IN A STREAM BACK TO SAID BODY OF WATER, REMOVING A PORTION OF SAID STEAM AND SUBJECTING IT TO ELECTROLYSIS TO GENERATE CHLORINE, THEN RETURNING SAID LAST MENTIONED PORTION TO SAID STEAM, AND CONTROLLING THE PORTION REMOVED FROM SAID STEAM TO MAINTAIN THE DESIRED CHLORINE CONTENT IN THE BODY OF WATER.
Claim 2
Independent Claim
97 words
THE METHOD OF CHLORINATING A CONFINED RELATIVELY LARGE BODY OF WATER WHICH COMPRISES THE STEPS OF ADDING SODIUM CHLORIDE TO THE BODY OF WATER TO FORM A LOW CONCENTRATION SALINE SOLUTION, REMOVING A PORTION OF THE SALINE SOLUTION FROM THE BODY OF WATER, REMOVING A IT IN A STREAM BACK TO SAID BODY OF WATER, REMOVING A PORTION OF SAID STEAM AND SUBJECTING IT TO ELECTROLYSIS TO GENERATE CHLORINE, THEN RETURNING SAID LAST MENTIONED PORTION TO SAID STEAM, AND CONTROLLING THE PORTION REMOVED FROM SAID STEAM TO MAINTAIN THE DESIRED CHLORINE CONTENT IN THE BODY OF WATER.
References Cited (Backward Citations)
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Cited
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Cited
US2399289A
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Cited
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Cited
US2658033A
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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) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |