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US3142492A Expired / Lapsed US ⏱️ 0.0 years remaining

Chuck

Assignee: Skinner Precision Industries Inc
•
Filing: 1962-09-11
•
Granted: 1964-07-28
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Expires: 1982-09-11
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Abstract

No abstract record available.

Inventors

  • 👤 Howard C Multer

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 00:23
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16233; B23B31/16237; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1986

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 124 words
IN A CHUCK COMPRISING A BODY HAVING A PLURALITY OF RADIALLY EXTENDING GUIDEWAYS, A PLURALITY OF JAWS, RESPECTIVELY, MOUNTED IN THE GUIDEWAYS FOR RADIAL SLIDABLE MOVEMENT, AN ACTUATOR FOR MOVING THE JAWS AND LOCATED INWARDLY OF THE JAWS, AND CONNECTING MEANS BETWEEN THE ACTUATOR AND THE JAWS; A JAW LIMIT MEANS COMPRISING A RECESS IN EACH OF THE JAWS AND PROVIDING A STOP SURFACE, A PLURALITY OF STOP SCREWS LOCATED ENTIRELY WITHIN THE BODY AND HAVING PORTIONS EXTENDING INTO THE RECESSES, RESPECTIVELY, AND SPACED FROM THE STOP SURFACES THEREOF DURING NORMAL OPERATION OF THE JAWS, SAID STOP PORTIONS ADAPTED TO ENGAGE THE STOP SURFACES TO PREVENT RADIAL ESCAPE OF THE JAWS FROM THE CHUCK BODY IN THE EVENT OF BREAKAGE OF SAID CONNECTING MEANS.
Claim 2
Dependent Claim 124 words
IN A CHUCK COMPRISING A BODY HAVING A PLURALITY OF RADIALLY EXTENDING GUIDEWAYS, A PLURALITY OF JAWS, RESPECTIVELY, MOUNTED IN THE GUIDEWAYS FOR RADIAL SLIDABLE MOVEMENT, AN ACTUATOR FOR MOVING THE JAWS AND LOCATED INWARDLY OF THE JAWS, AND CONNECTING MEANS BETWEEN THE ACTUATOR AND THE JAWS; A JAW LIMIT MEANS COMPRISING A RECESS IN EACH OF THE JAWS AND PROVIDING A STOP SURFACE, A PLURALITY OF STOP SCREWS LOCATED ENTIRELY WITHIN THE BODY AND HAVING PORTIONS EXTENDING INTO THE RECESSES, RESPECTIVELY, AND SPACED FROM THE STOP SURFACES THEREOF DURING NORMAL OPERATION OF THE JAWS, SAID STOP PORTIONS ADAPTED TO ENGAGE THE STOP SURFACES TO PREVENT RADIAL ESCAPE OF THE JAWS FROM THE CHUCK BODY IN THE EVENT OF BREAKAGE OF SAID CONNECTING MEANS.

References Cited (Backward Citations)

US2811055A Cited
US2894757A Cited
US2993701A Cited
US3020058A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-07-28 1968-01-27 1968-07-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-07-28 1972-01-27 1972-07-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-07-28 1976-01-27 1976-07-28 $7700.00 Window Closed / Lapsed

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