US2712154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for continuous production of artificial sponge cloth
Assignee: Celloplast AB
•
Filing: 1952-04-23
•
Granted: 1955-07-05
•
Expires: 1972-04-23
Abstract
No abstract record available.
Inventors
- 👤 Curt A J Lindquist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:52
CPC Classifications
B; B29; B29C; B29C44/00; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/25; B29C48/88; B29C48/911; B29C48/9135; B29C48/9145; B29C48/919; Y; Y10; Y10S; Y10S264/00; Y10S264/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AN APPARATUS FOR PRODUCING A CONTINUOUS SHEET OF ABSORBING MATERIAL COMPRISING AN ENDLESS BELT, MEANS TO DRIVE THE BELT, EXTRUDING MEANS FOR DEPOSITING A STREAM OF MATERIAL ON TO THE BELT WHICH IS SUBSTANTIALLY NARROWER THAN THE BELT, A TRANSVERSELY RECIPROCATORY SPREADER DISPOSED OVER THE BELT IMMEDIATELY IN FRONT OF THE EXTRUDING MEANS AND HAVING ITS LEADING END SPACED FROM THE BELT BY THE THICKNESS OF THE SHEET TO BE PRODUCED, MEANS FOR RECIPROCATING THE SPREADER, A COAGULATING BATH, MEANS FOR GUIDING THE BELT THROUGH THE BATH, A ROLLER HAVING AN ANNULARLY GROOVED SURFACE DISPOSED TRANSVERSELY OVER THE BELT BETWEEN THE EXTRUDING MEANS AND THE BATH AND SPACED WITH THE BOTTOMS OF THE GROOVES SUBSTANTIALLY THE THICKNESS OF THE SHEET FROM THE BELT, AND MEANS TO ROTATE THE ROLLER IN THE DIRECTION OF MOVEMENT OF THE BELT AT A PERIPHERAL SPEED EXCEEDING THE SPEED OF THE BELT.
Claim 2
Independent Claim
147 words
AN APPARATUS FOR PRODUCING A CONTINUOUS SHEET OF ABSORBING MATERIAL COMPRISING AN ENDLESS BELT, MEANS TO DRIVE THE BELT, EXTRUDING MEANS FOR DEPOSITING A STREAM OF MATERIAL ON TO THE BELT WHICH IS SUBSTANTIALLY NARROWER THAN THE BELT, A TRANSVERSELY RECIPROCATORY SPREADER DISPOSED OVER THE BELT IMMEDIATELY IN FRONT OF THE EXTRUDING MEANS AND HAVING ITS LEADING END SPACED FROM THE BELT BY THE THICKNESS OF THE SHEET TO BE PRODUCED, MEANS FOR RECIPROCATING THE SPREADER, A COAGULATING BATH, MEANS FOR GUIDING THE BELT THROUGH THE BATH, A ROLLER HAVING AN ANNULARLY GROOVED SURFACE DISPOSED TRANSVERSELY OVER THE BELT BETWEEN THE EXTRUDING MEANS AND THE BATH AND SPACED WITH THE BOTTOMS OF THE GROOVES SUBSTANTIALLY THE THICKNESS OF THE SHEET FROM THE BELT, AND MEANS TO ROTATE THE ROLLER IN THE DIRECTION OF MOVEMENT OF THE BELT AT A PERIPHERAL SPEED EXCEEDING THE SPEED OF THE BELT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-07-04 | 1959-01-03 | 1959-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-07-04 | 1963-01-03 | 1963-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-07-04 | 1967-01-03 | 1967-07-05 | $7700.00 | Window Closed / Lapsed |