US3122935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor belt pulley
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:55
CPC Classifications
F; F16; F16H; F16H55/00; F16H55/32; F16H55/36; B; B65; B65G; B65G39/00; B65G39/02; B65G39/07; B65G39/071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A PULLEY ADAPTED FOR USE WITH A CONVEYOR BELT, SAID PULLEY COMPRISING A UNITARY RIM HAVING A CENTRAL AND TWO END PORTIONS, THE SURFACE OF SAID CENTRAL PORTION BEING FORMED IN THE SHAPE OF AT LEAST ONE CROWN, THE SURFACE OF EACH OF SAID END PORTIONS HAVING A SLOPE FORMED IN THE SHAPE OF A PARTIAL CROWN, WHEREBY TO CORRECT FOR THE RUNOFF OF AN ASSOCIATED CONVEYOR BELT.
Claim 2
Dependent Claim
68 words
A PULLEY ADAPTED FOR USE WITH A CONVEYOR BELT, SAID PULLEY COMPRISING A UNITARY RIM HAVING A CENTRAL AND TWO END PORTIONS, THE SURFACE OF SAID CENTRAL PORTION BEING FORMED IN THE SHAPE OF AT LEAST ONE CROWN, THE SURFACE OF EACH OF SAID END PORTIONS HAVING A SLOPE FORMED IN THE SHAPE OF A PARTIAL CROWN, WHEREBY TO CORRECT FOR THE RUNOFF OF AN ASSOCIATED CONVEYOR BELT.
References Cited (Backward Citations)
US994910A
Cited
US2822169A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |