Patent US3139402A successfully refreshed from Google Patents.
US3139402A
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Method of treatment of water content of a pool
Assignee: New York Air Brake LLC
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Filing: 1962-03-15
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Granted: 1964-06-30
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Expires: 1982-03-15
Abstract
No abstract record available.
Inventors
- 👤 Henry N Armbrust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:40
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; C02F1/28; C02F1/281; C02F1/52; C02F1/5236; C02F1/66; C02F2103/00; C02F2103/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE METHOD OF TREATING THE WATER CONTENT OF A POOL FOR CAPTIVE AQUATIC MAMMALS COMPRISING PROVIDING A DIATOMITE FILTER OF A CAPACITY TO CHANGE THE WATER CONTENT A PLURALITY OF TIMES A DAY, CIRCULATING THE WATER THROUGH THE FILTER, FEEDING INTO SAID WATER CONTENT (1) STABILIZED SOLUTION OF AVAILABLE CHLORINE DIOXIDE WHICH SOLUTION RELEASES CHLORINE DIOXIDE UPON CONTACT WITH ORGAINC MATE-
Claim 2
Independent Claim
61 words
THE METHOD OF TREATING THE WATER CONTENT OF A POOL FOR CAPTIVE AQUATIC MAMMALS COMPRISING PROVIDING A DIATOMITE FILTER OF A CAPACITY TO CHANGE THE WATER CONTENT A PLURALITY OF TIMES A DAY, CIRCULATING THE WATER THROUGH THE FILTER, FEEDING INTO SAID WATER CONTENT (1) STABILIZED SOLUTION OF AVAILABLE CHLORINE DIOXIDE WHICH SOLUTION RELEASES CHLORINE DIOXIDE UPON CONTACT WITH ORGAINC MATE-
References Cited (Backward Citations)
US1324118A
Cited
US2985307A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-30 | 1967-12-30 | 1968-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-30 | 1971-12-30 | 1972-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-30 | 1975-12-30 | 1976-06-30 | $7700.00 | Window Closed / Lapsed |