US3117662A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flow roller
Assignee: Mallard Plastics Inc
•
Filing: 1962-05-25
•
Granted: 1964-01-14
•
Expires: 1982-05-25
Abstract
No abstract record available.
Inventors
- 👤 Warren P Wahl
- 👤 John F Wahl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:22
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
217 words
A FLOW ROLLER OF UNITARY CONSTRUCTION FORMED OF THIN PLASTIC MATERIAL, SAID FLOW ROLLER COMPRISING: A CENTRAL TUBULAR PORTION ADAPTED TO RECEIVE AN AXLE AND FREELY ROTATE THEREON, SAID TUBULAR PORTION HAVING A UNIFORM INNER DIAMETER AND A NN-UNIFORM OUTER DIAMETER, THE OUTER DIAMETER DECREASING FROM THE INNER END OF SAID PORTION TO THE OUTER END; A TRANSVERSE DISK PORTION CONCENTRIC WITH SAID TUBULAR PORTION AND EXTENDING EXTERIORLY THEREFROM NEAR THE INNER END OF SAID TUBULAR PORTION; A GENERALLY CYLINDRICAL PORTION CONCENTRIC WITH SAID TUBULAR PORTION, THE INNER END REGION OF SAID CYLINDRICAL PORTION, THE INNER END REGION OF SAID CYLINDRICAL PORTION INTEGRAL WITH THE PERIPHERY OF SAID DISK PORTION, THE DIAMETER OF SAID CYLINDRICAL PORTION INCREASING SLIGHTLY FROM THE INNER END OF SAID PORTION TO THE OUTER END; A PLURALITY OF ANGULARLY SPACED RADIAL WEB PORTIONS EXTENDING BETWEEN SAID TUBULAR PORTION AND SAID CYLINDRICAL PORTION, SAID WEB PORTIONS EXTENDING AXIALLY FROM SAID DISK PORTION TO THE OUTER END OF SAID CYLINDRICAL PORTION; AND AN EXTERIOR ANNULAR FLANGE ON THE OUTER END OF SAID CYLINDRICAL PORTION, THE RESPECTIVE ENDS OF SAID TUBULAR PORTION EXTENDING AXIALLY SLIGHTLY BEYONG THE INNER END OF SAID CYLINDRICAL PORTION AND THE OUTER END OF SAID ANNULAR FLANGE, THE DIAMETER OF SAID CYLINDRICAL PORTION SUBSTANTIALLY EQUAL TO THE LENGTH OF SAID TUBULAR PORTION.
Claim 2
Dependent Claim
217 words
A FLOW ROLLER OF UNITARY CONSTRUCTION FORMED OF THIN PLASTIC MATERIAL, SAID FLOW ROLLER COMPRISING: A CENTRAL TUBULAR PORTION ADAPTED TO RECEIVE AN AXLE AND FREELY ROTATE THEREON, SAID TUBULAR PORTION HAVING A UNIFORM INNER DIAMETER AND A NN-UNIFORM OUTER DIAMETER, THE OUTER DIAMETER DECREASING FROM THE INNER END OF SAID PORTION TO THE OUTER END; A TRANSVERSE DISK PORTION CONCENTRIC WITH SAID TUBULAR PORTION AND EXTENDING EXTERIORLY THEREFROM NEAR THE INNER END OF SAID TUBULAR PORTION; A GENERALLY CYLINDRICAL PORTION CONCENTRIC WITH SAID TUBULAR PORTION, THE INNER END REGION OF SAID CYLINDRICAL PORTION, THE INNER END REGION OF SAID CYLINDRICAL PORTION INTEGRAL WITH THE PERIPHERY OF SAID DISK PORTION, THE DIAMETER OF SAID CYLINDRICAL PORTION INCREASING SLIGHTLY FROM THE INNER END OF SAID PORTION TO THE OUTER END; A PLURALITY OF ANGULARLY SPACED RADIAL WEB PORTIONS EXTENDING BETWEEN SAID TUBULAR PORTION AND SAID CYLINDRICAL PORTION, SAID WEB PORTIONS EXTENDING AXIALLY FROM SAID DISK PORTION TO THE OUTER END OF SAID CYLINDRICAL PORTION; AND AN EXTERIOR ANNULAR FLANGE ON THE OUTER END OF SAID CYLINDRICAL PORTION, THE RESPECTIVE ENDS OF SAID TUBULAR PORTION EXTENDING AXIALLY SLIGHTLY BEYONG THE INNER END OF SAID CYLINDRICAL PORTION AND THE OUTER END OF SAID ANNULAR FLANGE, THE DIAMETER OF SAID CYLINDRICAL PORTION SUBSTANTIALLY EQUAL TO THE LENGTH OF SAID TUBULAR PORTION.
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) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |