US2760410A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for drying paper
Assignee: Individual
•
Filing: 1953-07-31
•
Granted: 1956-08-28
•
Expires: 1973-07-31
Abstract
No abstract record available.
Inventors
- 👤 Esther M Gillis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:31
CPC Classifications
D; D21; D21F; D21F5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
THE METHOD OF MAKING PAPER WHICH COMPRISES THE STEPS OF TRANSFERRING THE NEWLY FORMED WEB OF WET PAPER TO A TRAVELING PREVIOUS BELT, DELIVERING SUPER HEATED STEAM AGAINST THE WEB ON SAID BELT TO VAPORIZE MOISTURE IN SAID WEB, WITHDRAWING SUPERHEATED STEAM AND VAPOR THROUGH AND FROM THE SURFACE OF SAID WEB, REPEATING THE STEAM DELIVERING AND WITHDRAWING STEPS ON THE SAME PORTION OF THE WEB AND UTILIZING THE STEAM AND VAPOR FIRST WITHDRAWN FROM THE WEB, AND TEMPERING THE WEB THUS HEATED BY PASSING THE WEB OVER A HEAT TRANSFER SURFACE IN HEAT TRANSFER RELATION WITH SAID SURFACE AND USING VAPOR WITHDRAWN SECONDLY FROM SAID WEB TO CONDITION SAID SURFACE.
Claim 2
Independent Claim
111 words
THE METHOD OF MAKING PAPER WHICH COMPRISES THE STEPS OF TRANSFERRING THE NEWLY FORMED WEB OF WET PAPER TO A TRAVELING PREVIOUS BELT, DELIVERING SUPER HEATED STEAM AGAINST THE WEB ON SAID BELT TO VAPORIZE MOISTURE IN SAID WEB, WITHDRAWING SUPERHEATED STEAM AND VAPOR THROUGH AND FROM THE SURFACE OF SAID WEB, REPEATING THE STEAM DELIVERING AND WITHDRAWING STEPS ON THE SAME PORTION OF THE WEB AND UTILIZING THE STEAM AND VAPOR FIRST WITHDRAWN FROM THE WEB, AND TEMPERING THE WEB THUS HEATED BY PASSING THE WEB OVER A HEAT TRANSFER SURFACE IN HEAT TRANSFER RELATION WITH SAID SURFACE AND USING VAPOR WITHDRAWN SECONDLY FROM SAID WEB TO CONDITION SAID SURFACE.
References Cited (Backward Citations)
US1307750A
Cited
US1728471A
Cited
US1624371A
Cited
GB257449A
Cited
US1881404A
Cited
US1980558A
Cited
US2441169A
Cited
US2627667A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-28 | 1960-02-27 | 1960-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-28 | 1964-02-27 | 1964-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-28 | 1968-02-27 | 1968-08-28 | $7700.00 | Window Closed / Lapsed |