Patent US3357073A successfully refreshed from Google Patents.
US3357073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curved roll
Assignee: American Cloth-Strait Co
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Filing: 1965-05-10
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Granted: 1967-12-12
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Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 William R Eury
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:18
CPC Classifications
D; D06; D06C; D06C3/00; D06C3/06; D06C3/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
AN EXPANDER ROLL FOR FLEXIBLE SHEET MATERIAL SUCH AS TEXTILE FABRIC, COMPRISING AN ELONGATE, LONGITUDINALLY CURVED SHAFT, A SERIES OF CYLINDRICAL INTERMEDIATE ROLL SECTIONS ROTATABLY MOUNTED ALONG THE MEDIAL PORTION OF SAID SHAFT, AN ELONGATE TUBULAR SHEATH OF RESILIENT, FLEXIBLE FLUID-IMPERVIOUS MATERIAL SURROUNDING SAID INTERMEDIATE ROLL SECTIONS AND EXTENDING OUTWARDLY BEYOND OPPOSITE ENDS THEREOF, BUT TERMINATING IN INWARDLY SPACED RELATION TO THE ENDS OF SAID SHAFT, AND A PAIR OF END ASSEMBLIES REMOVABLY MOUNTED ON SAID SHAFT AT OPPOSITE ENDS OF SAID SERIES OF INTERMEDIATE ROLL SECTIONS FOR SUPPORTING OPPOSITE END PORTIONS OF SAID TUBULAR SHEATH AND FOR SEALING OPPOSITE ENDS OF SAID TUBULAR SHEATH TO PREVENT THE ENTRY OF LIQUIDS, HARMFUL CHEMICALS AND THE LIKE INTO THE INTERIOR OF SAID SHEATH AND THE ESCAPE OF LUBRICANT AND CONTAMINANTS THEREFROM, EACH OF SAID END ASSEMBLIES COMPRISING A CYLINDRICAL TUBULAR MOUNTING MEMBER INCLUDING AT LEAST A PORTION INTERMEDIATE THE ENDS THEREOF HAVING AN UNINTERRUPTED EXTERNAL CYLINDRICAL SURFACE, AN END SEGMENT ROTATABLY MOUNTED ON SAID MOUNTING MEMBER AND BEING SNUGLY POSITIONED WITHIN ONE END PORTION OF SAID
Claim 2
Dependent Claim
175 words
AN EXPANDER ROLL FOR FLEXIBLE SHEET MATERIAL SUCH AS TEXTILE FABRIC, COMPRISING AN ELONGATE, LONGITUDINALLY CURVED SHAFT, A SERIES OF CYLINDRICAL INTERMEDIATE ROLL SECTIONS ROTATABLY MOUNTED ALONG THE MEDIAL PORTION OF SAID SHAFT, AN ELONGATE TUBULAR SHEATH OF RESILIENT, FLEXIBLE FLUID-IMPERVIOUS MATERIAL SURROUNDING SAID INTERMEDIATE ROLL SECTIONS AND EXTENDING OUTWARDLY BEYOND OPPOSITE ENDS THEREOF, BUT TERMINATING IN INWARDLY SPACED RELATION TO THE ENDS OF SAID SHAFT, AND A PAIR OF END ASSEMBLIES REMOVABLY MOUNTED ON SAID SHAFT AT OPPOSITE ENDS OF SAID SERIES OF INTERMEDIATE ROLL SECTIONS FOR SUPPORTING OPPOSITE END PORTIONS OF SAID TUBULAR SHEATH AND FOR SEALING OPPOSITE ENDS OF SAID TUBULAR SHEATH TO PREVENT THE ENTRY OF LIQUIDS, HARMFUL CHEMICALS AND THE LIKE INTO THE INTERIOR OF SAID SHEATH AND THE ESCAPE OF LUBRICANT AND CONTAMINANTS THEREFROM, EACH OF SAID END ASSEMBLIES COMPRISING A CYLINDRICAL TUBULAR MOUNTING MEMBER INCLUDING AT LEAST A PORTION INTERMEDIATE THE ENDS THEREOF HAVING AN UNINTERRUPTED EXTERNAL CYLINDRICAL SURFACE, AN END SEGMENT ROTATABLY MOUNTED ON SAID MOUNTING MEMBER AND BEING SNUGLY POSITIONED WITHIN ONE END PORTION OF SAID
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) | 1970-12-11 | 1971-06-12 | 1971-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-11 | 1975-06-12 | 1975-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-11 | 1979-06-12 | 1979-12-12 | $7700.00 | Window Closed / Lapsed |