Patent US3187408A successfully refreshed from Google Patents.
US3187408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal working tool
Assignee: Individual
•
Filing: 1963-09-16
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Granted: 1965-06-08
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Expires: 1983-09-16
Abstract
No abstract record available.
Inventors
- 👤 Curtiss W Titterud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:51
CPC Classifications
B; B23; B23B; B23B27/00; B23B27/007; B23D; B23D13/00; Y; Y10; Y10T; Y10T407/00; Y10T407/22; Y10T407/2222; Y10T407/225; Y10T407/25; Y10T408/00; Y10T408/86; Y10T408/885
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
IN A DEVICE OF THE CLASS DESCRIBED, (A) AN ELONGATED TOOL BODY HAVING A CYLINDRICAL CROSSSECTIONAL CONTOUR ADJACENT ITS REAR END FOR GRIPPING RECEPTION BY THE MOUNTING HEAD OF A METAL WORKING MACHINE, (B) AND HAVING A PLANAR FRONT SURFACE NORMAL TO THE AXIS THEREOF, (C) THE FRONT END PORTION OF SAID TOOL BODY BEING FORMED TO PROVIDE AN AXIALLY EXTENDED SLOT WHICH OPENS THROUGH SAID FRONT SURFACE AND DEFINES A PAIR OF COOPERATING JAW ELEMENTS, (D) SAID SLOT AT ITS FORWARD ENDS BEING ENLARGED TO FORM A DIAMETRICALLY EXTENDED CROSS-SECTIONAL ARCUATE MOUTH OF MORE THAN 180* OF CIRCULAR ARC, (E) A BIT SLIDABLY ADJUSTABLY RECEIVABLE IN SAID MOUTH AND HAVING A CROSS-SECTIONAL CONTOUR CONFORMING GENERALLY TO THAT OF SAID MOUTH, (F) AND MEANS FOR IMPARTING GRIPPING PRESSURE TO SAID JAW ELEMENTS.
Claim 2
Dependent Claim
132 words
IN A DEVICE OF THE CLASS DESCRIBED, (A) AN ELONGATED TOOL BODY HAVING A CYLINDRICAL CROSSSECTIONAL CONTOUR ADJACENT ITS REAR END FOR GRIPPING RECEPTION BY THE MOUNTING HEAD OF A METAL WORKING MACHINE, (B) AND HAVING A PLANAR FRONT SURFACE NORMAL TO THE AXIS THEREOF, (C) THE FRONT END PORTION OF SAID TOOL BODY BEING FORMED TO PROVIDE AN AXIALLY EXTENDED SLOT WHICH OPENS THROUGH SAID FRONT SURFACE AND DEFINES A PAIR OF COOPERATING JAW ELEMENTS, (D) SAID SLOT AT ITS FORWARD ENDS BEING ENLARGED TO FORM A DIAMETRICALLY EXTENDED CROSS-SECTIONAL ARCUATE MOUTH OF MORE THAN 180* OF CIRCULAR ARC, (E) A BIT SLIDABLY ADJUSTABLY RECEIVABLE IN SAID MOUTH AND HAVING A CROSS-SECTIONAL CONTOUR CONFORMING GENERALLY TO THAT OF SAID MOUTH, (F) AND MEANS FOR IMPARTING GRIPPING PRESSURE TO SAID JAW ELEMENTS.
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) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |