Patent US2516115A successfully refreshed from Google Patents.
US3522151A
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Distillation apparatus with spray chamber and air circulating means
Assignee: ALBERT B DISMORE
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Filing: 1968-02-20
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Granted: 1970-07-28
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Expires: 1988-02-20
Abstract
No abstract record available.
Inventors
- 👤 Albert B Dismore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:32
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/02; C02F1/04; C02F1/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3214348A
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US3284318A
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US3257291A
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US3248306A
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US3317406A
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US3334026A
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US3243358A
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US3425914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-07-27 | 1974-01-26 | 1974-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-07-27 | 1978-01-26 | 1978-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-07-27 | 1982-01-26 | 1982-07-28 | $7700.00 | Window Closed / Lapsed |