Patent US3147219A successfully refreshed from Google Patents.
US3147219A
Expired / Lapsed
US
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Process of disinfecting water
Assignee: Individual
•
Filing: 1961-06-14
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Granted: 1964-09-01
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Expires: 1981-06-14
Abstract
No abstract record available.
Inventors
- 👤 Laurence O Paterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:20
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; C02F1/766
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
23 words
THE PROCESS OF DISINFECTING WATER COMPRISING TREATING WATER WITH AN ACTIVE HALOGEN-RELEASING COMPOSITION CONTAINING AN ORGANO-N-BROMINATED COMPOUND IN ADMIXTURE WITH AN ORGANO-N-CHLORINATED COMPOUND.
Claim 2
Dependent Claim
23 words
THE PROCESS OF DISINFECTING WATER COMPRISING TREATING WATER WITH AN ACTIVE HALOGEN-RELEASING COMPOSITION CONTAINING AN ORGANO-N-BROMINATED COMPOUND IN ADMIXTURE WITH AN ORGANO-N-CHLORINATED COMPOUND.
References Cited (Backward Citations)
US2130805A
Cited
US2580808A
Cited
US2662855A
Cited
US2789078A
Cited
US2779764A
Cited
US2868787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |