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US3190666A Expired / Lapsed US ⏱️ 0.0 years remaining

Holder and jaw inserts comprising the top jaw for a chuck

Assignee: TESAN TOOL Manufacturing CO
•
Filing: 1963-08-06
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Granted: 1965-06-22
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Expires: 1983-08-06
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Abstract

No abstract record available.

Inventors

  • 👤 Ernest J Testa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 02:40
CPC Classifications
B; B23; B23B; B23B31/00; B23B31/02; B23B31/10; B23B31/12; B23B31/16; B23B31/16045; B23B31/1605; B23B31/16054; Y; Y10; Y10T; Y10T279/00; Y10T279/19; Y10T279/1986

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 165 words
A TOP JAW FOR A CHUCK COMPRISING, IN COMBINATION, (A) A HOLDER HAVING FIRST AND SECOND MOUNTING SURFACES LYING IN INSERTING PLANES; (B) AT LEAST ONE OF SAID MOUNTING SURFACES HAVING A GROOVED FORMED IN IT; (C) MEANS FOR SECURING SAID HOLDER ON THE JAW OF A CHUCK SO THAT ONE OF THE HOLDER MOUNTING SURFACES EXTENDS ROUGHLY PERPENDICULAR TO THE CHUCK AXIS AND THE GROOVE FORMED IN ONE OF SAID MOUNTING SURFACES LIES GENERALLY IN A COMMON PLANE WITH THE CHUCK AXIS; (D) A JAW INSERT HAVING A CHUCKING SURFACE AND FIRST AND SECOND MOUNTING SURFACES WHICH MATE WITH THE MOUNTING SURFACES OF SAID HOLDER TO DISPOSE THE CHUCKING SURFACE SO THAT THE HOLDER ACT AS A BACK SUPPORT FOR THE JAW INSERT; (E) ONE OF SAID JAW INSERT MOUNTING SURFACES HAVING A TONGUE EXTENDING ALONG IT WHICH MATES WITH SAID GROOVE; AND, (F) MEANS FOR DETACHABLY SECURING THE JAW INSERT ON THE HOLDER WITH SAID MOUNTING SURFACES AND TONGUE AND GROOVE IN ENGAGEMENT.
Claim 2
Dependent Claim 165 words
A TOP JAW FOR A CHUCK COMPRISING, IN COMBINATION, (A) A HOLDER HAVING FIRST AND SECOND MOUNTING SURFACES LYING IN INSERTING PLANES; (B) AT LEAST ONE OF SAID MOUNTING SURFACES HAVING A GROOVED FORMED IN IT; (C) MEANS FOR SECURING SAID HOLDER ON THE JAW OF A CHUCK SO THAT ONE OF THE HOLDER MOUNTING SURFACES EXTENDS ROUGHLY PERPENDICULAR TO THE CHUCK AXIS AND THE GROOVE FORMED IN ONE OF SAID MOUNTING SURFACES LIES GENERALLY IN A COMMON PLANE WITH THE CHUCK AXIS; (D) A JAW INSERT HAVING A CHUCKING SURFACE AND FIRST AND SECOND MOUNTING SURFACES WHICH MATE WITH THE MOUNTING SURFACES OF SAID HOLDER TO DISPOSE THE CHUCKING SURFACE SO THAT THE HOLDER ACT AS A BACK SUPPORT FOR THE JAW INSERT; (E) ONE OF SAID JAW INSERT MOUNTING SURFACES HAVING A TONGUE EXTENDING ALONG IT WHICH MATES WITH SAID GROOVE; AND, (F) MEANS FOR DETACHABLY SECURING THE JAW INSERT ON THE HOLDER WITH SAID MOUNTING SURFACES AND TONGUE AND GROOVE IN ENGAGEMENT.

References Cited (Backward Citations)

US2543117A Cited
US2905477A Cited
US2950117A Cited
US2896958A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-06-21 1968-12-21 1969-06-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-06-21 1972-12-21 1973-06-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-06-21 1976-12-21 1977-06-22 $7700.00 Window Closed / Lapsed

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