US3176607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1961-07-06
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Granted: 1965-04-06
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Expires: 1981-07-06
Abstract
No abstract record available.
Inventors
- 👤 Sidney D Lapham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:27
CPC Classifications
B; B01; B01D; B01D33/00; B01D33/04; B01D33/042; B01D33/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A CONTINUOUS ROTARY FILTER COMPRISING AN ENDLESS SPONGE BELT; AN ENDLESS ROTATING DAM LOCATED ADJACENT SAID BELT, SAID BELT AND DAM BEING ARRANGED TO CONVERGE INTO COMPRESSING CONTACT WITH EACH OTHER OVER A LIMITED ZONE AND TO FORM A DOWNWARDLY CONVERGING TROUGH ABOVE SAID LIMITED ZONE; MEANS FOR FEEDING A SLURRY TO SAID TROUGH; MEANS FOR ROTATING SAID BELT AND DAM TOWARDS EACH OTHER AND DOWNWARDLY THROUGH SAID TROUGH AT SUBSTANTIALLY EQUAL SPEEDS; MEANS FOR BLANKING OFF THE INNER SURFACE OF SAID BELT AT LEAST OVER AN AREA ADJACENT SAID LIMITED ZONE; SAID BELT AND BLANKING OFF MEANS BEING CONSTRUCTED AND ARRANGED TO PROVIDE A LIQUID STORAGE ZONE TO ACCOMMODATE LIQUID DISPLACED FROM SAID SLURRY DURING SAID COMPRESSING CONTACT; AND MEANS DOWNSTREAM FROM SAID LIMITED ZONE FOR SQUEEZING SAID DISPLACED LIQUID FROM SAID BELT.
Claim 2
Dependent Claim
134 words
A CONTINUOUS ROTARY FILTER COMPRISING AN ENDLESS SPONGE BELT; AN ENDLESS ROTATING DAM LOCATED ADJACENT SAID BELT, SAID BELT AND DAM BEING ARRANGED TO CONVERGE INTO COMPRESSING CONTACT WITH EACH OTHER OVER A LIMITED ZONE AND TO FORM A DOWNWARDLY CONVERGING TROUGH ABOVE SAID LIMITED ZONE; MEANS FOR FEEDING A SLURRY TO SAID TROUGH; MEANS FOR ROTATING SAID BELT AND DAM TOWARDS EACH OTHER AND DOWNWARDLY THROUGH SAID TROUGH AT SUBSTANTIALLY EQUAL SPEEDS; MEANS FOR BLANKING OFF THE INNER SURFACE OF SAID BELT AT LEAST OVER AN AREA ADJACENT SAID LIMITED ZONE; SAID BELT AND BLANKING OFF MEANS BEING CONSTRUCTED AND ARRANGED TO PROVIDE A LIQUID STORAGE ZONE TO ACCOMMODATE LIQUID DISPLACED FROM SAID SLURRY DURING SAID COMPRESSING CONTACT; AND MEANS DOWNSTREAM FROM SAID LIMITED ZONE FOR SQUEEZING SAID DISPLACED LIQUID FROM SAID BELT.
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) | 1968-04-05 | 1968-10-05 | 1969-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-05 | 1972-10-05 | 1973-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-05 | 1976-10-05 | 1977-04-06 | $7700.00 | Window Closed / Lapsed |