Patent US3349693A successfully refreshed from Google Patents.
US3349693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roll cover construction
Assignee: Stowe Woodward LLC
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Filing: 1965-02-18
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Granted: 1967-10-31
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Expires: 1985-02-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Paul Jones Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:53
CPC Classifications
D; D21; D21F; D21F3/00; D21F3/02; D21F3/08; D21F3/086; D06; D06C; D06C15/00; D06C15/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A ROLL ASSEMBLY FOR REMOVING FLUIDS FROM SHEET MATERIAL, SAID ROLL ASSEMBLY COMPRISING: A CYLINDRICAL METAL BASE; AN INNER ELASTOMERIC SLEEVE SURROUNDING SAID BASE, THE INNER PERIPHERY OF SAID INNER ELASTOMERIC SLEEVE BEING SECURED TO THE OUTER CYLINDRICAL PERIPHERY OF SAID CYLINDRICAL BASE; SAID INNER ELASTOMERIC SLEEVE HAVING A PLURALITY OF GOOVES AT SAID EXTERIOR PERIPHERY THEREOF AND SPACED FROM SAID EXTERIOR PERIPHERY OF SAID METAL BASE; AT LEAST ONE OUTER ELASTOMERIC SLEEVE SURROUNDING SAID INNER SLEEVE, SAID OUTER ELASTOMERIC SLEEVE HAVING AN INNER CYLINDRICAL PERIPHERY BONDED TO SAID OUTER CYLINDRICAL PERIPHERY OF SAID INNER SLEEVE; SAID OUTER SLEEVE HAVING THEREIN A PLURALITY OF HOLES EXTENDING FROM SAID OUTER CYLINDRICAL PERIPHERY THEREOF SUBSTANTIALLY RADIALLY INWARDLY INTO COMMUNICATION WITH SAID GROOVES.
Claim 2
Dependent Claim
120 words
A ROLL ASSEMBLY FOR REMOVING FLUIDS FROM SHEET MATERIAL, SAID ROLL ASSEMBLY COMPRISING: A CYLINDRICAL METAL BASE; AN INNER ELASTOMERIC SLEEVE SURROUNDING SAID BASE, THE INNER PERIPHERY OF SAID INNER ELASTOMERIC SLEEVE BEING SECURED TO THE OUTER CYLINDRICAL PERIPHERY OF SAID CYLINDRICAL BASE; SAID INNER ELASTOMERIC SLEEVE HAVING A PLURALITY OF GOOVES AT SAID EXTERIOR PERIPHERY THEREOF AND SPACED FROM SAID EXTERIOR PERIPHERY OF SAID METAL BASE; AT LEAST ONE OUTER ELASTOMERIC SLEEVE SURROUNDING SAID INNER SLEEVE, SAID OUTER ELASTOMERIC SLEEVE HAVING AN INNER CYLINDRICAL PERIPHERY BONDED TO SAID OUTER CYLINDRICAL PERIPHERY OF SAID INNER SLEEVE; SAID OUTER SLEEVE HAVING THEREIN A PLURALITY OF HOLES EXTENDING FROM SAID OUTER CYLINDRICAL PERIPHERY THEREOF SUBSTANTIALLY RADIALLY INWARDLY INTO COMMUNICATION WITH SAID GROOVES.
References Cited (Backward Citations)
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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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |