Patent US3371998A successfully refreshed from Google Patents.
US3371998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the removal of bromine, air and co2 from saline water
Assignee: Dow Chemical Co
•
Filing: 1965-05-06
•
Granted: 1968-03-05
•
Expires: 1985-05-06
Abstract
No abstract record available.
Inventors
- 👤 William P Schambra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:56
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/72; C02F1/76; C01; C01B; C01B7/00; C01B7/09; C01B7/096; C02F1/20; C02F1/66; C02F2101/00; C02F2101/10; C02F2101/12; C02F2103/00; C02F2103/08; C02F2301/00; C02F2301/06; C02F2301/063
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1971-03-05 | 1971-09-04 | 1972-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-05 | 1975-09-04 | 1976-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-05 | 1979-09-04 | 1980-03-05 | $7700.00 | Window Closed / Lapsed |