US3170883A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of chlorine in aqueous solutions
Assignee: Cortez Chemicals Co
•
Filing: 1962-04-02
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Granted: 1965-02-23
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Expires: 1982-04-02
Abstract
No abstract record available.
Inventors
- 👤 Robert W Owen
- 👤 Jr Seymour Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:52
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; Y; Y02; Y02W; Y02W10/00; Y02W10/30; Y02W10/37
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |