Patent US3401096A successfully refreshed from Google Patents.
US3401096A
Expired / Lapsed
US
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Method for separation of material by partial condensation
Assignee: Individual
•
Filing: 1964-07-28
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Granted: 1968-09-10
•
Expires: 1984-07-28
Abstract
No abstract record available.
Inventors
- 👤 Wondrak Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:28
CPC Classifications
G; G01; G01N; G01N25/00; G01N25/14; Y; Y10; Y10S; Y10S203/00; Y10S203/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US511288A
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GB579463A
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US2573807A
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US2590226A
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US2701789A
Cited
US2842485A
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DE1031280B
Cited
US2909469A
Cited
US3107205A
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US3219551A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |