Patent US3109218A successfully refreshed from Google Patents.
US3109218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Expander roll combination for smoothing web materials
Assignee: Morgan Adhesives Co
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Filing: 1961-05-02
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Granted: 1963-11-05
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Expires: 1981-05-02
Abstract
No abstract record available.
Inventors
- 👤 Burton D Morgan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:39
CPC Classifications
D; D06; D06C; D06C3/00; D06C3/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
IN COMBINATION, A ROLL, RUBBER SLEEVE ON THE ROLL, MEANS FASTENING THE CENTER AND ENDS OF THE SLEEVE TO THE ROLL, THE ROLL BEING FORMED WITH A GROOVE NEAR EACH END, DISC-LIKE ROLLER MEANS MOUNTED ON AN AXIS PARALLEL TO THE ROLL AXIS EXTENDING INTO EACH GROOVE FOR PROGRESSIVELY FORCING THE RUBBER SLEEVE INTO EACH GROOVE TO STRETCH
Claim 2
Dependent Claim
58 words
IN COMBINATION, A ROLL, RUBBER SLEEVE ON THE ROLL, MEANS FASTENING THE CENTER AND ENDS OF THE SLEEVE TO THE ROLL, THE ROLL BEING FORMED WITH A GROOVE NEAR EACH END, DISC-LIKE ROLLER MEANS MOUNTED ON AN AXIS PARALLEL TO THE ROLL AXIS EXTENDING INTO EACH GROOVE FOR PROGRESSIVELY FORCING THE RUBBER SLEEVE INTO EACH GROOVE TO STRETCH
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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) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |