US3396086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recompression evaporators
Assignee: Applied Research and Engineering Ltd
•
Filing: 1964-12-23
•
Granted: 1968-08-06
•
Expires: 1984-12-23
Abstract
No abstract record available.
Inventors
- 👤 Starmer Roy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:59
CPC Classifications
B; B01; B01D; B01D1/00; B01D1/28; B01D1/2803; B01D1/2818
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB308736A
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BE525122A
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US3183174A
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US3218241A
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US3230155A
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US3165435A
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US3257290A
Cited
US3282797A
Cited
US3294649A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-06 | 1972-02-05 | 1972-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-06 | 1976-02-05 | 1976-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-06 | 1980-02-05 | 1980-08-06 | $7700.00 | Window Closed / Lapsed |