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US3311006A Expired / Lapsed US ⏱️ 0.0 years remaining

Lathe center

Assignee: Individual
•
Filing: 1964-01-23
•
Granted: 1967-03-28
•
Expires: 1984-01-23
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Abstract

No abstract record available.

Inventors

  • 👤 Karl E Seitter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 18:09
CPC Classifications
B; B23; B23B; B23B33/00; B23B33/005; Y; Y10; Y10T; Y10T82/00; Y10T82/26

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 162 words
A LATHE CENTER FOR DRIVING A WORKPIECE, COMPRISING A HOUSING, A CENTER SLIDABLY MOUNTED FOR SUBSTANTIALLY FREE LONGITUDINAL MOVEMENT WITHIN A BORE PROVIDED IN SAID HOUSING, MEANS ACTING UPON SAID CENTER TO URGE SAID CENTER IN A FORWARD DIRECTION, A PLURALITY OF WORK-DRIVING DOGS INCLUDING PISTON MEANS, CYLINDER MEANS WITHIN SAID HOUSING FOR SLIDINGLY RECEIVING THEREIN SAID PISTON MEANS, CONNECTING MEANS INTERCONNECTING SAID CYLINDER MEANS TO PROVIDE A COMMON HYDRAULIC SYSTEM HERMETICALLY SEALED AGAINST SAID BORE AND ADAPTED TO BE HERMETICALLY SEALED AGAINST THE OUTSIDE, SAID COMMON HYDRAULIC SYSTEM EFFECTIVELY PROVIDING INTERCONNECTED PRESSURE CHAMBERS DISPOSED REARWARDLY OF SAID PISTON MEANS TO THEREBY URGE SAID WORK-DRIVING DOGS IN SAID FORWARD DIRECTION IN THE PRESENCE, WITHIN SAID PRESSURE CHAMBERS, OF A HYDRAULIC FLUID UNDER PRESSURE, SEAL MEANS PROVIDED WITH ANNULAR GROOVES EFFECTIVELY FORMING LIP PORTIONS WITHIN SAID PRESSURE CHAMBERS IN SEALING ABUTMENT AGAINST THE END SURFACES OF SAID PISTON MEANS EXPOSED TO THE CORRESPONDING PRESSURE CHAMBER SO AS TO URGE SAID LIP PORTIONS RADIALLY
Claim 2
Dependent Claim 162 words
A LATHE CENTER FOR DRIVING A WORKPIECE, COMPRISING A HOUSING, A CENTER SLIDABLY MOUNTED FOR SUBSTANTIALLY FREE LONGITUDINAL MOVEMENT WITHIN A BORE PROVIDED IN SAID HOUSING, MEANS ACTING UPON SAID CENTER TO URGE SAID CENTER IN A FORWARD DIRECTION, A PLURALITY OF WORK-DRIVING DOGS INCLUDING PISTON MEANS, CYLINDER MEANS WITHIN SAID HOUSING FOR SLIDINGLY RECEIVING THEREIN SAID PISTON MEANS, CONNECTING MEANS INTERCONNECTING SAID CYLINDER MEANS TO PROVIDE A COMMON HYDRAULIC SYSTEM HERMETICALLY SEALED AGAINST SAID BORE AND ADAPTED TO BE HERMETICALLY SEALED AGAINST THE OUTSIDE, SAID COMMON HYDRAULIC SYSTEM EFFECTIVELY PROVIDING INTERCONNECTED PRESSURE CHAMBERS DISPOSED REARWARDLY OF SAID PISTON MEANS TO THEREBY URGE SAID WORK-DRIVING DOGS IN SAID FORWARD DIRECTION IN THE PRESENCE, WITHIN SAID PRESSURE CHAMBERS, OF A HYDRAULIC FLUID UNDER PRESSURE, SEAL MEANS PROVIDED WITH ANNULAR GROOVES EFFECTIVELY FORMING LIP PORTIONS WITHIN SAID PRESSURE CHAMBERS IN SEALING ABUTMENT AGAINST THE END SURFACES OF SAID PISTON MEANS EXPOSED TO THE CORRESPONDING PRESSURE CHAMBER SO AS TO URGE SAID LIP PORTIONS RADIALLY

References Cited (Backward Citations)

US2250634A Cited
US2402979A Cited
US2897708A Cited
US2971413A Cited
US2909955A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-03-27 1970-09-26 1971-03-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-03-27 1974-09-26 1975-03-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-03-27 1978-09-26 1979-03-28 $7700.00 Window Closed / Lapsed

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