US3018091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precipitation apparatus
Assignee: EIDP Inc
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Filing: 1959-04-10
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Granted: 1962-01-23
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Expires: 1979-04-10
Abstract
No abstract record available.
Inventors
- 👤 Ray B Duggins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:43
CPC Classifications
B; B02; B02C; B02C19/00; B02C19/0056; B02C18/00; B02C18/06; B02C18/14; D; D21; D21D; D21D1/00; D21D1/20; D21D1/22; D21D5/00; D21D5/02; D21D5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
AN APPARATUS FOR TREATING PRECIPITATING PARTICLES, SAID APPARATUS COMPRISING: A VESSEL HAVING AN ENCLOSED CHAMBER THEREIN; STATOR MEANS IN SAID CHAMBER, SAID STATOR MEANS INCLUDING A PLURALITY OF SPACED ELEMENTS; A ROTOR; MEANS MOUNTING THE ROTOR FOR ROTATION IN SAID CHAMBER WITH ITS PERIPHERY PASSING IN CLOSE PROXIMITY TO SAID ELEMENTS, THERE BEING INLET CONDUIT MEANS PROVIDED ON ONE
Claim 2
Independent Claim
59 words
AN APPARATUS FOR TREATING PRECIPITATING PARTICLES, SAID APPARATUS COMPRISING: A VESSEL HAVING AN ENCLOSED CHAMBER THEREIN; STATOR MEANS IN SAID CHAMBER, SAID STATOR MEANS INCLUDING A PLURALITY OF SPACED ELEMENTS; A ROTOR; MEANS MOUNTING THE ROTOR FOR ROTATION IN SAID CHAMBER WITH ITS PERIPHERY PASSING IN CLOSE PROXIMITY TO SAID ELEMENTS, THERE BEING INLET CONDUIT MEANS PROVIDED ON ONE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-01-22 | 1965-07-24 | 1966-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-22 | 1969-07-24 | 1970-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-22 | 1973-07-24 | 1974-01-23 | $7700.00 | Window Closed / Lapsed |