US3226202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for recovery of a solute from a volatile solvent
Assignee: Complex Inc
•
Filing: 1962-08-21
•
Granted: 1965-12-28
•
Expires: 1982-08-21
Abstract
No abstract record available.
Inventors
- 👤 Nagelvoort Adrian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:15
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2957855A
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US3090774A
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US2088190A
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US2450547A
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US2546364A
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US2614073A
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GB709414A
Cited
US2976224A
Cited
US3056772A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |