Patent US3262571A successfully refreshed from Google Patents.
US3262571A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Eduction unit
Assignee: ORTEM Manufacturing CORP
•
Filing: 1963-05-09
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Granted: 1966-07-26
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Expires: 1983-05-09
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Petretti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:13
CPC Classifications
E; E03; E03F; E03F7/00; E03F7/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
AN EDUCTION UNIT COMPRISING A SETTLING TANK, MEANS FOR REMOVING A MIXTURE OF DEBRIS AND FLUID FROM CATCH BASINS, AND FOR DEPOSITING SAID MIXTURE IN SAID SETTLING TANK, ROTATABLE FILTERING MEANS FOR FILTERING SAID MIXTURE, SAID FILTERING MEANS HAVING OPENINGS THEREIN, AND MEANS FOR ROTATING SAID FILTERING MEANS ALTERNATELY IN OPPOSITE DIRECTIONS TO CLEAR SAID OPENINGS.
Claim 2
Dependent Claim
56 words
AN EDUCTION UNIT COMPRISING A SETTLING TANK, MEANS FOR REMOVING A MIXTURE OF DEBRIS AND FLUID FROM CATCH BASINS, AND FOR DEPOSITING SAID MIXTURE IN SAID SETTLING TANK, ROTATABLE FILTERING MEANS FOR FILTERING SAID MIXTURE, SAID FILTERING MEANS HAVING OPENINGS THEREIN, AND MEANS FOR ROTATING SAID FILTERING MEANS ALTERNATELY IN OPPOSITE DIRECTIONS TO CLEAR SAID OPENINGS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |