US3427227A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash evaporator with duct and baffle means
Assignee: Westinghouse Electric Corp
•
Filing: 1967-01-25
•
Granted: 1969-02-11
•
Expires: 1987-01-25
Abstract
No abstract record available.
Inventors
- 👤 Richard M Chamberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:46
CPC Classifications
B; B01; B01D; B01D3/00; B01D3/06; B01D3/065
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA610314A
Cited
US3003931A
Cited
US3174914A
Cited
US3228859A
Cited
US3219553A
Cited
US3180805A
Cited
US3203464A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-11 | 1972-08-12 | 1973-02-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-11 | 1976-08-12 | 1977-02-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-11 | 1980-08-12 | 1981-02-11 | $7700.00 | Window Closed / Lapsed |