Patent US2300963A successfully refreshed from Google Patents.
Patent US3311006A successfully refreshed from Google Patents.
US3311006A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lathe center
Assignee: Individual
•
Filing: 1964-01-23
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Granted: 1967-03-28
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Expires: 1984-01-23
Abstract
No abstract record available.
Inventors
- 👤 Karl E Seitter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:11
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)
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 |