Patent US3293770A successfully refreshed from Google Patents.
US3293770A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Web drying permitting width-wise moisture control
Assignee: Selas Corp of America
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Filing: 1963-06-17
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Granted: 1966-12-27
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Fred W Rauskolb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:56
CPC Classifications
F; F26; F26B; F26B3/00; F26B3/28; F26B3/30; F26B3/305; D; D21; D21F; D21F5/00; F26B13/00; F26B13/008
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
164 words
A WEB DRYER PANEL COMPRISING A FRAME FACING A WEB TO BE DRIED, A PLURALITY OF SPACED AND PARALLEL MANIFOLDS ATTACHED TO SAID FRAME, BURNER UNITS MOUNTED END TO END ON AND SUPPORTED BY EACH MANIFOLD TO FORM IN EFFECT A CONTINUOUS BURNER ON EACH MANIFOLD ALL OF SAID BURNER UNITS FACING IN THE SAME DIRECTION TOWARD THE WEB WHEREBY THERE ARE PARALLEL ROWS OF BURNERS SPACED FROM EACH OTHER, THE SPACE BETWEEN ROWS OF BURNERS BEING OPEN TO ATMOSPHERE TO PERMIT ESCAPE OF MOISTURE, A MAIN FUEL SUPPLY PIPE, INDIVIDUAL SUPPLY PIPES EXTENDING BETWEEN SAID MAIN SUPPLY PIPE AND EACH OF SAID MANIFOLDS, VALVE MEANS IN EACH OF SAID INDIVIDUAL SUPPLY PIPES, A VALVE IN SAID MAIN FUEL SUPPLY PIPE, REMOTELY LOCATED MEANS CONNECTED TO OPERATE SAID VALVE TO ADJUST SIMULTANEOUSLY THE SUPPLY OF FUEL TO ALL OF SAID BURNERS, AND REMOTELY LOCATED MEANS CONNECTED INDIVIDUALLY TO ADJUST EACH OF SAID VALVE MEANS WHEREBY THE BURNERS ON EACH MANIFOLD CAN BE REGULATED SEPARATELY.
Claim 2
Dependent Claim
164 words
A WEB DRYER PANEL COMPRISING A FRAME FACING A WEB TO BE DRIED, A PLURALITY OF SPACED AND PARALLEL MANIFOLDS ATTACHED TO SAID FRAME, BURNER UNITS MOUNTED END TO END ON AND SUPPORTED BY EACH MANIFOLD TO FORM IN EFFECT A CONTINUOUS BURNER ON EACH MANIFOLD ALL OF SAID BURNER UNITS FACING IN THE SAME DIRECTION TOWARD THE WEB WHEREBY THERE ARE PARALLEL ROWS OF BURNERS SPACED FROM EACH OTHER, THE SPACE BETWEEN ROWS OF BURNERS BEING OPEN TO ATMOSPHERE TO PERMIT ESCAPE OF MOISTURE, A MAIN FUEL SUPPLY PIPE, INDIVIDUAL SUPPLY PIPES EXTENDING BETWEEN SAID MAIN SUPPLY PIPE AND EACH OF SAID MANIFOLDS, VALVE MEANS IN EACH OF SAID INDIVIDUAL SUPPLY PIPES, A VALVE IN SAID MAIN FUEL SUPPLY PIPE, REMOTELY LOCATED MEANS CONNECTED TO OPERATE SAID VALVE TO ADJUST SIMULTANEOUSLY THE SUPPLY OF FUEL TO ALL OF SAID BURNERS, AND REMOTELY LOCATED MEANS CONNECTED INDIVIDUALLY TO ADJUST EACH OF SAID VALVE MEANS WHEREBY THE BURNERS ON EACH MANIFOLD CAN BE REGULATED SEPARATELY.
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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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |