US3013938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plain press with suction felt drying means
Assignee: Beloit Iron Works Inc
•
Filing: 1958-12-11
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Granted: 1961-12-19
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Expires: 1978-12-11
Abstract
No abstract record available.
Inventors
- 👤 Edgar J Justus
- 👤 Edward D Beachler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:11
CPC Classifications
D; D21; D21F; D21F7/00; D21F7/08; D21F7/12; D21F5/00; D21F5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
IN A PAPER MACHINE PRESS SECTION, A PAIR OF PRESS ROLLS DEFINING A PRESS NIP RECEIVING A WEB, A LOOPED TRAVELING FELT PASSING THROUGH THE NIP, A PERFORATE SHELL LAPPED BY SAID FELT, MEANS FOR SUPPLYING GAS OTHER THAN STEAM POSITIONED OPPOSITE SAID SHELL AIMING SAID GAS AT THE FELT TO DEWATER THE SAME PUMP MEANS WITHDRAWING GAS FROM SAID SHELL AND FEEDING IT INTO SAID GAS SUPPLY MEANS, AND GUIDE MEANS BRINGING THE WEB INTO CONTACT WITH ITS FELT BETWEEN THE PRESS NIP AND SAID GAS SUPPLY MEANS.
Claim 2
Dependent Claim
89 words
IN A PAPER MACHINE PRESS SECTION, A PAIR OF PRESS ROLLS DEFINING A PRESS NIP RECEIVING A WEB, A LOOPED TRAVELING FELT PASSING THROUGH THE NIP, A PERFORATE SHELL LAPPED BY SAID FELT, MEANS FOR SUPPLYING GAS OTHER THAN STEAM POSITIONED OPPOSITE SAID SHELL AIMING SAID GAS AT THE FELT TO DEWATER THE SAME PUMP MEANS WITHDRAWING GAS FROM SAID SHELL AND FEEDING IT INTO SAID GAS SUPPLY MEANS, AND GUIDE MEANS BRINGING THE WEB INTO CONTACT WITH ITS FELT BETWEEN THE PRESS NIP AND SAID GAS SUPPLY MEANS.
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) | 1964-12-18 | 1965-06-19 | 1965-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-18 | 1969-06-19 | 1969-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-18 | 1973-06-19 | 1973-12-19 | $7700.00 | Window Closed / Lapsed |