Patent US3156072A successfully refreshed from Google Patents.
US3156072A
Expired / Lapsed
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Grinding apparatus
Assignee: LOEWY MACHINERY SUPPLIES COMPA
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Filing: 1962-11-09
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Granted: 1964-11-10
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Expires: 1982-11-09
Abstract
No abstract record available.
Inventors
- 👤 Herman F Boehme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:30
CPC Classifications
B; B24; B24B; B24B7/00; B24B7/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
A GRINDING APPARATUS COMPRISING A LONGITUDINALLY MOVABLE BRIDGE, FLUID POWER MEANS ON SAID BRIDGE TO MOVE SAID BRIDGE LONGITUDINALLY IN EITHER DIRECTION, A TROLLEY MOUNTED ON SAID BRIDGE AND MOVABLE TRANSVERSELY, FLUID POWER MEANS TO MOVE SAID TROLLEY TRANSVERSELY IN EITHER DIRECTION RELATIVE TO SAID BRIDGE, A VERTICALLY MOVABLE CYLINDRICAL CARRIER MOUNTED ON SAID TROLLEY WITH ITS AXIS SUBSTANTIALLY PERPENDICULAR TO THE HORIZONTAL PLANE OF SAID TROLLEY, FLUID POWER MEANS TO MOVE SAID CARRIER IN A VERTICAL DIRECTION ALONG ITS CYLINDRICAL AXIS, A VARIABLE SPEED GRINDING WHEEL MOUNTED ON SAID CARRIER POWERED BY A VARIABLE DISPLACEMENT FLUID MOTOR, AND MEANS TO OSCILLATE SAID GRINDING WHEEL ABOUT AN AXIS PARALLEL TO THE HORIZONTAL DIAMETER OF SAID GRINDING WHEEL.
Claim 2
Dependent Claim
117 words
A GRINDING APPARATUS COMPRISING A LONGITUDINALLY MOVABLE BRIDGE, FLUID POWER MEANS ON SAID BRIDGE TO MOVE SAID BRIDGE LONGITUDINALLY IN EITHER DIRECTION, A TROLLEY MOUNTED ON SAID BRIDGE AND MOVABLE TRANSVERSELY, FLUID POWER MEANS TO MOVE SAID TROLLEY TRANSVERSELY IN EITHER DIRECTION RELATIVE TO SAID BRIDGE, A VERTICALLY MOVABLE CYLINDRICAL CARRIER MOUNTED ON SAID TROLLEY WITH ITS AXIS SUBSTANTIALLY PERPENDICULAR TO THE HORIZONTAL PLANE OF SAID TROLLEY, FLUID POWER MEANS TO MOVE SAID CARRIER IN A VERTICAL DIRECTION ALONG ITS CYLINDRICAL AXIS, A VARIABLE SPEED GRINDING WHEEL MOUNTED ON SAID CARRIER POWERED BY A VARIABLE DISPLACEMENT FLUID MOTOR, AND MEANS TO OSCILLATE SAID GRINDING WHEEL ABOUT AN AXIS PARALLEL TO THE HORIZONTAL DIAMETER OF SAID GRINDING WHEEL.
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) | 1967-11-10 | 1968-05-11 | 1968-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-10 | 1972-05-11 | 1972-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-10 | 1976-05-11 | 1976-11-10 | $7700.00 | Window Closed / Lapsed |