Patent US3249211A successfully refreshed from Google Patents.
US3249211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic, conveyor rail sweep
Assignee: Whirlpool Corp
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Filing: 1964-01-03
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Granted: 1966-05-03
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Expires: 1984-01-03
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Gray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 10:23
CPC Classifications
B; B65; B65G; B65G45/00; B65G45/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
IN A CONVEYOR SYSTEM: (A) RAIL MEANS, (B) CONVEYOR MEANS MOVABLY MOUNTED ON SAID RAIL MEANS, (C) AND MAGNETIC MEANS CARRIED BY SAID CONVEYOR MEANS AND PROVIDED WITH MAGNETIC POLE PIECES SPACED ADJACENT AND OPENLY CONFRONTING SAID RAIL MEANS FOR SWEEPING SAID RAIL MEANS FREE OF MAGNETICALLY ATTRACTABLE PARTICLES DURING MOVEMENT OF SAID CONVEYOR MEANS RELATIVE TO SAID RAIL MEANS.
Claim 2
Dependent Claim
60 words
IN A CONVEYOR SYSTEM: (A) RAIL MEANS, (B) CONVEYOR MEANS MOVABLY MOUNTED ON SAID RAIL MEANS, (C) AND MAGNETIC MEANS CARRIED BY SAID CONVEYOR MEANS AND PROVIDED WITH MAGNETIC POLE PIECES SPACED ADJACENT AND OPENLY CONFRONTING SAID RAIL MEANS FOR SWEEPING SAID RAIL MEANS FREE OF MAGNETICALLY ATTRACTABLE PARTICLES DURING MOVEMENT OF SAID CONVEYOR MEANS RELATIVE TO SAID RAIL MEANS.
References Cited (Backward Citations)
US2759606A
Cited
US2915019A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |