Patent US3090488A successfully refreshed from Google Patents.
US3090488A
Expired / Lapsed
US
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Filter belt regulating means and process
Assignee: Komline Sanderson Engineering Corp
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Filing: 1960-03-15
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Granted: 1963-05-21
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Expires: 1980-03-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas R Komline
- 👤 Aden R Sirles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:29
CPC Classifications
B; B01; B01D; B01D33/00; B01D33/044; B01D33/056; B01D33/70; B01D33/76
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE PROCESS OF MAINTAINING A RESILIENTLY STRETCHABLE FLEXIBLE FILTER BELT IN SUBSTANTIALLY WRINKLE-FREE CONDITION DURING ITS MOVEMENT THROUGH AN ENDLESS CIRCUIT AROUND A PLURALITY OF RELATIVELY SPACED ROTARY ROLLS, COMPRISING THE STEPS OF CONFINING THE OPPOSITE SIDE EDGES OF THE BELT TO MOVEMENT IN PREDETERMINED PATHS SPACED APART A DISTANCE EQUAL TO THE BELT WIDTH, TO THEREBY MAINTAIN THE BELT LATERALLY EXTENDED, OBSERVING ANY RELATIVE DISPLACEMENT OF SAID SIDE EDGES IN THE DIRECTION OF THE BELT MOVEMENT THROUGH ITS SAID CIRCUIT, AND VARYING THE LENGTH OF THE PATH TRAVERSED BY ONE SAID SIDE EDGE TO COUNTERACT SAID RELATIVE DISPLACEMENT.
Claim 2
Dependent Claim
99 words
THE PROCESS OF MAINTAINING A RESILIENTLY STRETCHABLE FLEXIBLE FILTER BELT IN SUBSTANTIALLY WRINKLE-FREE CONDITION DURING ITS MOVEMENT THROUGH AN ENDLESS CIRCUIT AROUND A PLURALITY OF RELATIVELY SPACED ROTARY ROLLS, COMPRISING THE STEPS OF CONFINING THE OPPOSITE SIDE EDGES OF THE BELT TO MOVEMENT IN PREDETERMINED PATHS SPACED APART A DISTANCE EQUAL TO THE BELT WIDTH, TO THEREBY MAINTAIN THE BELT LATERALLY EXTENDED, OBSERVING ANY RELATIVE DISPLACEMENT OF SAID SIDE EDGES IN THE DIRECTION OF THE BELT MOVEMENT THROUGH ITS SAID CIRCUIT, AND VARYING THE LENGTH OF THE PATH TRAVERSED BY ONE SAID SIDE EDGE TO COUNTERACT SAID RELATIVE DISPLACEMENT.
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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |