US3339818A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-centering roll
Assignee: United States Steel Corp
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Filing: 1965-06-08
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Granted: 1967-09-05
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Expires: 1985-06-08
Abstract
No abstract record available.
Inventors
- 👤 Harry C Morrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:31
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/07; B65G39/071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE COMBINATION OF A ROTATABLE ROLL AND A BELT PASSING AROUND A SUBSTANTIAL ARC THEREOF, SAID ROLL HAVING A CENTRAL PERIPHERAL GROOVE AND A PLURALITY OF FLEXIBLE PROJECTIONS ON ITS OUTER PERIPHERY ARRANGED ON BOTH SIDES OF THE CENTRAL PERIPHERAL GROOVE, SAID PROJECTIONS BEING INCLINED TOWARD THE AXIS OF THE ROLL FROM THE SAID CENTRAL PERIPHERAL GROOVE, SAID ROLL HAVING A PLURALITY OF
Claim 2
Dependent Claim
63 words
THE COMBINATION OF A ROTATABLE ROLL AND A BELT PASSING AROUND A SUBSTANTIAL ARC THEREOF, SAID ROLL HAVING A CENTRAL PERIPHERAL GROOVE AND A PLURALITY OF FLEXIBLE PROJECTIONS ON ITS OUTER PERIPHERY ARRANGED ON BOTH SIDES OF THE CENTRAL PERIPHERAL GROOVE, SAID PROJECTIONS BEING INCLINED TOWARD THE AXIS OF THE ROLL FROM THE SAID CENTRAL PERIPHERAL GROOVE, SAID ROLL HAVING A PLURALITY OF
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) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |