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Patent US3418214A successfully refreshed from Google Patents.
US3418214A
Expired / Lapsed
US
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Integral make-up deaerator for flash evaporator
Assignee: Westinghouse Electric Corp
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Filing: 1967-02-16
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Granted: 1968-12-24
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Expires: 1987-02-16
Abstract
No abstract record available.
Inventors
- 👤 Cane Domenick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 03:01
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/06; B01D19/00; B01D19/0042; B01D19/0047; C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/043; Y; Y10; Y10S; Y10S203/00; Y10S203/11
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) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |