US3320677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web drying apparatus
Assignee: Rice Barton Corp
•
Filing: 1965-02-12
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Granted: 1967-05-23
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Expires: 1985-02-12
Abstract
No abstract record available.
Inventors
- 👤 Nicolas M Reitzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:23
CPC Classifications
D; D06; D06B; D06B15/00; D06B15/09
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
WEB DRYING APPARATUS FOR PROFILE CONTROL OF A WEB BY BLOWING AIR THROUGH A FELT INTO A PLURALITY OF LONGITUDINALLY SUCCESSIVE POCKETS DEFINED BY SAID FELT, ONE ROW OF DRYER ROLLS, AND SAID WEB RUNNING BETWEEN DRYER ROLLS OF SAID ONE ROW OF DRYER ROLLS AND DRYER ROLLS OF ANOTHER ROW OF DRYER ROLLS, SAID APPARATUS COMPRISING IN COMBINATION WITH SAID FELT A PLURALITY OF LONGITUDINALLY SUCCESSIVE PLENUMS, EACH OF SAID PLENUMS INCLUDING AT LEAST THREE COMPARTMENTS WITH TRANSVERSELY CONSECUTIVE OUTLET PORTIONS ADJACENT SAID FELT HAVING WIDTHS IN A TRANSVERSE DIRECTION, CERTAIN OF SAID WIDTHS BEING DIFFERENT FROM CERTAIN OTHERS THEREOF, AND FLOW CONTROL ELEMENTS IN BOTH THOSE COMPARTMENTS TRANSVERSELY EXTREME AT THEIR OUTLET PORTIONS AT LEAST ONE OF SAID PLENUMS INCLUDING A SAID WIDTH DIFFERENT FROM A CORRESPONDINGLY POSITIONED SAID WIDTH IN ANOTHER SAID PLENUM.
Claim 2
Dependent Claim
136 words
WEB DRYING APPARATUS FOR PROFILE CONTROL OF A WEB BY BLOWING AIR THROUGH A FELT INTO A PLURALITY OF LONGITUDINALLY SUCCESSIVE POCKETS DEFINED BY SAID FELT, ONE ROW OF DRYER ROLLS, AND SAID WEB RUNNING BETWEEN DRYER ROLLS OF SAID ONE ROW OF DRYER ROLLS AND DRYER ROLLS OF ANOTHER ROW OF DRYER ROLLS, SAID APPARATUS COMPRISING IN COMBINATION WITH SAID FELT A PLURALITY OF LONGITUDINALLY SUCCESSIVE PLENUMS, EACH OF SAID PLENUMS INCLUDING AT LEAST THREE COMPARTMENTS WITH TRANSVERSELY CONSECUTIVE OUTLET PORTIONS ADJACENT SAID FELT HAVING WIDTHS IN A TRANSVERSE DIRECTION, CERTAIN OF SAID WIDTHS BEING DIFFERENT FROM CERTAIN OTHERS THEREOF, AND FLOW CONTROL ELEMENTS IN BOTH THOSE COMPARTMENTS TRANSVERSELY EXTREME AT THEIR OUTLET PORTIONS AT LEAST ONE OF SAID PLENUMS INCLUDING A SAID WIDTH DIFFERENT FROM A CORRESPONDINGLY POSITIONED SAID WIDTH IN ANOTHER SAID PLENUM.
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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) | 1970-05-22 | 1970-11-21 | 1971-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-22 | 1974-11-21 | 1975-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-22 | 1978-11-21 | 1979-05-23 | $7700.00 | Window Closed / Lapsed |