US3552067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Abrasive belt detector
Assignee: Murray Way Corp
•
Filing: 1969-01-17
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Granted: 1971-01-05
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Expires: 1989-01-17
Abstract
Abstract APPARATUS FOR USE WITH AN ENDLESS ABRASIVE BELT OPERABLE FROM AIR FLOW TO AUTOMATICALLY OSCILLATE THE BELT TRANSVERSELY AND TO PROVIDE DETECTION FOR BROKEN BELT OR OVERTRAVEL TO AUTOMATICALLY STOP THE MOVEMENT OF THE BELT.
Inventors
- 👤 Witold C Przygocki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 01:28
CPC Classifications
B; B24; B24B; B24B21/00; B24B21/18
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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |