US3367787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Evaporation concentration of liquids
Assignee: ERNST JAN CORNELIS PAARDEKOOPER
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Filing: 1964-01-20
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Granted: 1968-02-06
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Expires: 1984-01-20
Abstract
No abstract record available.
Inventors
- 👤 Henricus Alexis Corne Thijssen
- 👤 Ernst Jan Corneli Paardekooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:30
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/36; B01D61/362; A; A23; A23F; A23F3/00; A23F3/16; A23F3/22; A23F3/225; A23F5/00; A23F5/24; A23F5/28; A23F5/285; A23L; A23L2/00; A23L2/02; A23L2/08; A23L2/082; B01D1/00; B01D1/06; B01D1/12; B01D69/00; B01D69/04; C; C12; C12H; C12H3/00; C12H3/04; B01D2311/00; B01D2311/02; B01D2323/00; B01D2323/40; Y; Y10; Y10S; Y10S159/00; Y10S159/17; Y10S159/27
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) | 1971-02-05 | 1971-08-07 | 1972-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-05 | 1975-08-07 | 1976-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-05 | 1979-08-07 | 1980-02-06 | $7700.00 | Window Closed / Lapsed |