US3154891A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for grinding flexible cord
Assignee: Milacron Inc
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Filing: 1963-10-08
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Granted: 1964-11-03
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Expires: 1983-10-08
Abstract
No abstract record available.
Inventors
- 👤 Robert H Weisgerber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:30
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/35; B24B5/355; B24B5/36; B24B5/38; B24B5/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN A CENTERLESS GRINDING MACHINE HAVING A GRINDING THROAT FOR GRINDING A LONG FLEXIBLE CORD, THE COMBINATION THEREWITH OF A WORKPIECE DRIVER COMPRISING A BODY HAVING A STRAIGHT PASSAGE EXTENDING THERETHROUGH, SAID PASSAGE ALIGNED WITH THE GRINDING THROAT FOR PASSAGE OF THE CORD THERETHROUGH, SAID BODY HAVING A HELICAL PASSAGE CONNECTABLE TO A SOURCE OF FLUID UNDER PRESSURE AND TERMINATING IN THE STRAIGHT PASSAGE TO CREATE A VORTEX THEREIN FOR ROTATION OF THE CORD
Claim 2
Dependent Claim
74 words
IN A CENTERLESS GRINDING MACHINE HAVING A GRINDING THROAT FOR GRINDING A LONG FLEXIBLE CORD, THE COMBINATION THEREWITH OF A WORKPIECE DRIVER COMPRISING A BODY HAVING A STRAIGHT PASSAGE EXTENDING THERETHROUGH, SAID PASSAGE ALIGNED WITH THE GRINDING THROAT FOR PASSAGE OF THE CORD THERETHROUGH, SAID BODY HAVING A HELICAL PASSAGE CONNECTABLE TO A SOURCE OF FLUID UNDER PRESSURE AND TERMINATING IN THE STRAIGHT PASSAGE TO CREATE A VORTEX THEREIN FOR ROTATION OF THE CORD
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) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |