Patent US2962115A successfully refreshed from Google Patents.
US2962115A
Expired / Lapsed
US
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Apparatus for separating solid and liquid particles for gases and vapours
Assignee: Individual
•
Filing: 1957-02-25
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Granted: 1960-11-29
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Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 Schmid Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 19:28
CPC Classifications
B; B01; B01D; B01D46/00; B01D46/42; B01D46/50; B01D17/00; B01D17/02; B01D17/0217; B04; B04C; B04C9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US253883A
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US327531A
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US378762A
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US537048A
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US691485A
Cited
GB191323605A
Cited
US1232865A
Cited
DE451274C
Cited
US2207576A
Cited
US2607438A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |