US3268390A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grooved roll double-felted press for papermaking
Assignee: Beloit Corp
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Filing: 1965-10-28
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Granted: 1966-08-23
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Expires: 1985-10-28
Abstract
No abstract record available.
Inventors
- 👤 Sr Donald E Ely
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:18
CPC Classifications
D; D21; D21F; D21F3/00; D21F3/02; D21F3/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
IN A PRESS SECTION OF A PAPERMAKING MACHINE, IN COMBINATION, A FIRST FELT FOR CARRYING A WEB ON THE SURFACE THEREOF, A FIRST PRESS ROLL COUPLE RECEIVING THE FLET IN THE NIP THEREBETWEEN AND HAVING A GROOVED ROLL ENGAGING THE FELT, A SECOND FELT IN WEB TRANSFER RELATION WITH THE FIRST FELT, TRANSFER MEANS AT A POSITION FOLLOWING THE FIRST PRESS NIP TRANSFERRING THE WEB FROM THE FIRST TO THE SECOND FELT, A SECOND PRESS ROLL COUPLE RECEIVING THE SECOND FELT IN THE NIP THEREBETWEEN AND HAVING A GROOVED ROLL ENGAGIN THE SECOND FELT, AND MEANS FOR REMOVING THE WEB FROM THE SECOND FELT.
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) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |