US3057077A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for separating solids from solvent vapors
Assignee: Individual
•
Filing: 1959-01-22
•
Granted: 1962-10-09
•
Expires: 1979-01-22
Abstract
No abstract record available.
Inventors
- 👤 Depmer Wilhelm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 19:36
CPC Classifications
F; F26; F26B; F26B9/00; F26B9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE207585C
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US844623A
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US1139664A
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US1057912A
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US1611098A
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US1775313A
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US2098024A
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US2895231A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-10-08 | 1966-04-09 | 1966-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-08 | 1970-04-09 | 1970-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-08 | 1974-04-09 | 1974-10-09 | $7700.00 | Window Closed / Lapsed |