US3448484A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steam humidifying device,especially for paper webs
Assignee: Joh Kleinewefers Soehne KG
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Filing: 1966-05-09
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Granted: 1969-06-10
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Expires: 1986-05-09
Abstract
No abstract record available.
Inventors
- 👤 Gernot Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 06:06
CPC Classifications
D; D21; D21G; D21G9/00; D21G9/0063; D21F; D21F1/00; D21F1/36; D21G7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A DEVICE FOR STEAM HUMIDIFYING FLAT GOODS, ESPECIALLY WEBS OF PAPER, PARTICULARLY FOR USE IN CONNECTION WITH CALENDARS, WHICH COMPRISES: A HOLLOW BEAM HAVING A CURVED OUTER ENTRANCE SURFACE AREA FOR RECEIVING FLAT GOODS IN A CONTINUOUS MOVEMENT FROM THE RESPECTIVE UPPER PORTION OF A ROTATABLE ROLLER AND ALSO INCLUDING A RELEASING SURFACE AREA FOR RETURNING THE GOODS PASSED OVER SAID ENTRANCE SURFACE AREA TO THE RESPECTIVE LOWER PORTION OF THE SAME ROLLER FROM WHICH THE GOODS ARE FED TO SAID ENTRANCE AREA, AND STEAM CONVEYING MEANS LEADING FROM THE INTERIOR OF SAID HOLLOW BEAM TO APPROXIMATELY THAT SURFACE SECTION OF SAID ENTRANCE SURFACE AREA WHICH WILL BE UNDER THE GREATEST LOOPING PRESSURE WHEN THE RESPECTIVE GOODS ARE LOOPED AROUND AND PASSED OVER SAID CURVED OUTER SURFACE OF SAID BEAM.
Claim 2
Independent Claim
130 words
A DEVICE FOR STEAM HUMIDIFYING FLAT GOODS, ESPECIALLY WEBS OF PAPER, PARTICULARLY FOR USE IN CONNECTION WITH CALENDARS, WHICH COMPRISES: A HOLLOW BEAM HAVING A CURVED OUTER ENTRANCE SURFACE AREA FOR RECEIVING FLAT GOODS IN A CONTINUOUS MOVEMENT FROM THE RESPECTIVE UPPER PORTION OF A ROTATABLE ROLLER AND ALSO INCLUDING A RELEASING SURFACE AREA FOR RETURNING THE GOODS PASSED OVER SAID ENTRANCE SURFACE AREA TO THE RESPECTIVE LOWER PORTION OF THE SAME ROLLER FROM WHICH THE GOODS ARE FED TO SAID ENTRANCE AREA, AND STEAM CONVEYING MEANS LEADING FROM THE INTERIOR OF SAID HOLLOW BEAM TO APPROXIMATELY THAT SURFACE SECTION OF SAID ENTRANCE SURFACE AREA WHICH WILL BE UNDER THE GREATEST LOOPING PRESSURE WHEN THE RESPECTIVE GOODS ARE LOOPED AROUND AND PASSED OVER SAID CURVED OUTER SURFACE OF SAID BEAM.
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) | 1972-06-09 | 1972-12-09 | 1973-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-09 | 1976-12-09 | 1977-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-09 | 1980-12-09 | 1981-06-10 | $7700.00 | Window Closed / Lapsed |