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US3110992A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for feeding abrasive mixture to a lapping machine

Assignee: Speedlap Corp
•
Filing: 1963-02-07
•
Granted: 1963-11-19
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Expires: 1983-02-07
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Abstract

No abstract record available.

Inventors

  • 👤 James V Keefe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 16:19
CPC Classifications
B; B24; B24B; B24B57/00; B24B57/02; B24B37/00; B24B37/04; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474; Y10T74/20492

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 92 words
IN A DEVICE FOR FEEDING A FREELY FLOWING MATERIAL COMPRISED OF ABRASIVE PARTICLES AND A CARRIER TO A MACHINE TOOL, THE COMBINATION OF CONTAINER MEANS ADAPTED TO RECEIVE THE FREELY FLOWING MATERIAL, SAID CONTAINER MEANS SERVING TO FEED MATERIAL THEREFROM UPON ROTATION IN ONE DIRECTION, AND MEANS FOR ROTATING SAID CONTAINER MEANS IN SAID ONE DIRECTION WHEN THE MACHINE TOOL IS IN OPERATION AND IN THE OPPOSITE DIRECTION WHEN THE MACHINE TOOL IS IDLING WHEREBY THE MATERIAL IS CONTINUOUSLY AGITATED SO AS TO MAINTAIN THE ABRASIVE PARTICLES IN SUSPENSION IN THE CARRIER.
Claim 2
Dependent Claim 92 words
IN A DEVICE FOR FEEDING A FREELY FLOWING MATERIAL COMPRISED OF ABRASIVE PARTICLES AND A CARRIER TO A MACHINE TOOL, THE COMBINATION OF CONTAINER MEANS ADAPTED TO RECEIVE THE FREELY FLOWING MATERIAL, SAID CONTAINER MEANS SERVING TO FEED MATERIAL THEREFROM UPON ROTATION IN ONE DIRECTION, AND MEANS FOR ROTATING SAID CONTAINER MEANS IN SAID ONE DIRECTION WHEN THE MACHINE TOOL IS IN OPERATION AND IN THE OPPOSITE DIRECTION WHEN THE MACHINE TOOL IS IDLING WHEREBY THE MATERIAL IS CONTINUOUSLY AGITATED SO AS TO MAINTAIN THE ABRASIVE PARTICLES IN SUSPENSION IN THE CARRIER.

References Cited (Backward Citations)

US389071A Cited
US1074043A Cited
US1114160A Cited
US1134944A Cited
US1666713A Cited
US1720999A Cited
US2722785A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-11-18 1967-05-20 1967-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-11-18 1971-05-20 1971-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-11-18 1975-05-20 1975-11-19 $7700.00 Window Closed / Lapsed

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