Patent US3176412A successfully refreshed from Google Patents.
US3176412A
Expired / Lapsed
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Multiple nozzle air blast web drying
Assignee: Individual
•
Filing: 1961-01-04
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Granted: 1965-04-06
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Expires: 1981-01-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:50
CPC Classifications
F; F26; F26B; F26B21/00; F26B21/50; F26B13/00; F26B13/24; F26B13/28; F26B21/55
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
IN A WEB DRYER OF THE TYPE IN WHICH THE WORK TO BE DRIED IS EXPOSED TO JETS OF DRYING GAS, THE COMBINATION WITH MEANS FOR ADVANCING UPON A PREDETERMINED PATH THE WORK TO BE DRIED OF A PLURALITY OF NOZZLES EXTENDING CONTINUOUSLY FOR SUBSTANTIALLY THE FULL WIDTH OF THE WORK TRANSVERSELY OF SUCH PATH AND VERY NARROW IN THE DIRECTION OF MOVEMENT OF THE WORK, SAID NOZZLES BEING DIRECTED TOWARD THE SURFACE OF THE WORK TO BE DRIED AT A DISTANCE OF NOT MORE THAN THREE-FOURTHS OF AN INCH THEREFROM AND SPACED NOT LESS THAN THREE-FOURTHS INCH AND NOT MORE THAN TWO INCHES FROM EACH OTHER, THE RATIO OF TOTAL NOZZLE ORIFICE AREA TO TOTAL EXPOSED WORK AREA BEING NO LESS THAN ONE AND ONE-HALF PERCENT AND NO MORE THAN FIVE AND ONEHALF PERCENT.
Claim 2
Dependent Claim
135 words
IN A WEB DRYER OF THE TYPE IN WHICH THE WORK TO BE DRIED IS EXPOSED TO JETS OF DRYING GAS, THE COMBINATION WITH MEANS FOR ADVANCING UPON A PREDETERMINED PATH THE WORK TO BE DRIED OF A PLURALITY OF NOZZLES EXTENDING CONTINUOUSLY FOR SUBSTANTIALLY THE FULL WIDTH OF THE WORK TRANSVERSELY OF SUCH PATH AND VERY NARROW IN THE DIRECTION OF MOVEMENT OF THE WORK, SAID NOZZLES BEING DIRECTED TOWARD THE SURFACE OF THE WORK TO BE DRIED AT A DISTANCE OF NOT MORE THAN THREE-FOURTHS OF AN INCH THEREFROM AND SPACED NOT LESS THAN THREE-FOURTHS INCH AND NOT MORE THAN TWO INCHES FROM EACH OTHER, THE RATIO OF TOTAL NOZZLE ORIFICE AREA TO TOTAL EXPOSED WORK AREA BEING NO LESS THAN ONE AND ONE-HALF PERCENT AND NO MORE THAN FIVE AND ONEHALF PERCENT.
References Cited (Backward Citations)
US2928185A
Cited
US1724645A
Cited
US1933960A
Cited
US2306019A
Cited
US2627667A
Cited
USRE24144E
Cited
US2622343A
Cited
CH309650A
Cited
GB727058A
Cited
GB773908A
Cited
US2828552A
Cited
US3077675A
Cited
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 |