US3298670A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotating digestive covers
Assignee: Individual
•
Filing: 1964-02-11
•
Granted: 1967-01-17
•
Expires: 1984-02-11
Abstract
No abstract record available.
Inventors
- 👤 Theodore R Crom
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:49
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/28; F; F16; F16L; F16L39/00; Y; Y10; Y10S; Y10S210/00; Y10S210/09
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
56 words
IN COMBINATION WITH A DIGESTER TANK, A FLOATING TANK COVER, PIPE MEANS MOUNTED ON SAID COVER FOR RECIRCULATING INFLUENT MATERIAL, SAID FLOATING TANK COVER ADAPTED TO BE ROTATED WHEREBY THE INFLUENT MATERIAL EMITTED FROM SAID PIPE MEANS AGITATES THE SCUM WHICH TENDS TO FORM OVER SUBSTANTIALLY ALL AREAS OF THE SURFACE OF MATERIAL WITHIN THE TANK.
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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |