US2913116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for separating usable particles from collecting liquid
Assignee: Individual
•
Filing: 1955-12-30
•
Granted: 1959-11-17
•
Expires: 1975-12-30
Abstract
No abstract record available.
Inventors
- 👤 Martin L Cover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:28
CPC Classifications
B; B01; B01D; B01D21/00; B01D21/02; B01D21/04; B01D21/06; B01D21/24; B01D21/2405; B01D21/2427; B01D21/245; B01D21/2477; B01D21/2488; B01D21/30; B01D21/307; B01D21/34; B01D21/302
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US486495A
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US1137351A
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US1005522A
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US1420250A
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US1530592A
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US1633858A
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US1847864A
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US1906916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |