Patent US3333097A successfully refreshed from Google Patents.
US3333097A
Expired / Lapsed
US
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Loose wheel detectors
Assignee: RAILROAD ACCESSORIES CORP
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Filing: 1965-07-14
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Granted: 1967-07-25
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Expires: 1985-07-14
Abstract
No abstract record available.
Inventors
- 👤 Warner A Jamison
- 👤 Joseph G Karlet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:19
CPC Classifications
B; B61; B61L; B61L1/00; B61L1/20
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A WHEEL DETECTOR MOUNTED BESIDE A WHEEL-CARRYING RAIL AND POSITIONED TO DETECT THE PASSING OF A LATERALLY MISALIGNED WHEEL, COMPRISING, IN COMBINATION (A) A CONTACT MEMBER HAVING A CENTRAL SURFACE PORTION ARCHED CONVEXLY TOWARD THE HEAD OF THE RAIL, (B) SUPPORT MEANS ADJUSTABLY POSITIONING THE CENTRAL SURFACE PORTION BESIDE THE HEAD OF THE RAIL A PREDETERMINED POSITION SPACED THEREFROM BY A PRESELECTED MAXIMUM "CLEARANCE" DISTANCE PLACING THE ARCHED SURFACE PORTION BEYOND NORMALLY ALIGNED WHEELS AND IN THE PATH OF LATERALLY MISALIGNED WHEELS FOR CONTACT THEREWITH,
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |