US3523406A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for removing entrained discrete immiscible matter from liquids by velocity gradient separation
Assignee: Eastman Kodak Co
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Filing: 1967-01-16
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Granted: 1970-08-11
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Expires: 1987-01-16
Abstract
No abstract record available.
Inventors
- 👤 Dean B Chenoweth
- 👤 Richard Louis Barnard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:11
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/10; D01D1/106; B; B01; B01D; B01D17/00; B01D17/02; B01D17/0208; B01D17/0214; B01D17/04; B01D19/00; B05; B05C; B05C5/00; B05C5/005; B05D; B05D1/00; B05D1/30; B05D1/305; B29; B29C; B29C48/00; B29C48/25; B29C48/30; B29C48/305; B65; B65B; B65B33/00; B65B33/02; D01D1/103; B29C48/03; B29C48/07; B29C48/08; B29C48/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2943946A
Cited
US3103942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-10 | 1974-02-09 | 1974-08-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-10 | 1978-02-09 | 1978-08-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-10 | 1982-02-09 | 1982-08-11 | $7700.00 | Window Closed / Lapsed |