US3566497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conveyor roller
Assignee: Individual
•
Filing: 1968-08-19
•
Granted: 1971-03-02
•
Expires: 1988-08-19
Abstract
Abstract A ROLLER FOR A BELT TYPE CONVEYOR HAVING A CORROSION RESISTANT NON-MAGNETIC TUBULAR MEMBER OF FIBRES BONDED WITH A RESIN, THE TUBULAR MEMBER BEING ENCLOSED BY RESINOUS END CAPS, THE ROLLER IS ROTATABLY MOUNTED ON A SHAFT SUPPORTED ON A SUPPORT BRACKET.
Inventors
- 👤 Edmund Lorne Hamlen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:04
CPC Classifications
B; B65; B65G; B65G39/00; B65G39/02; B65G39/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |