Patent US3153884A successfully refreshed from Google Patents.
US3153884A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for grinding flexible workpieces
Assignee: Landis Tool Co
•
Filing: 1962-08-23
•
Granted: 1964-10-27
•
Expires: 1982-08-23
Abstract
No abstract record available.
Inventors
- 👤 Harold E Balsiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:40
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/36; B24B5/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
IN A GRINDING MACHINE FOR GRINDING AXIALLY SPACED PORTIONS OF A WORKPIECE IN WHICH THE STIFFNESS OF THE WORKPIECE VARIES FROM PORTION TO PORTION, A BED, A GRINDING WHEEL SUPPORT SLIDABLY MOUNTED ON SAID BED, A GRINDING WHEEL ROTATABLY MOUNTED ON SAID WHEEL SUPPORT, A WORK CARRIAGE SLIDABLY MOUNTED ON SAID BED, MEANS ON SAID WORK CARRIAGE FOR ROTATABLY SUPPORTING A WORKPIECE, MEANS FOR EFFECTING RELATIVE TRANSVERSE AND LONGITUDINAL MOVEMENTS OF SAID WHEEL SUPPORT AND SAID WORK CARRIAGE, A PLURALITY OF LIMIT SWITCHES ADAPTED TO BE ACTUATED BY SAID TRANSVERSE MOVING MEANS, A LIMIT SWITCH ON SAID BED, AND
Claim 2
Dependent Claim
99 words
IN A GRINDING MACHINE FOR GRINDING AXIALLY SPACED PORTIONS OF A WORKPIECE IN WHICH THE STIFFNESS OF THE WORKPIECE VARIES FROM PORTION TO PORTION, A BED, A GRINDING WHEEL SUPPORT SLIDABLY MOUNTED ON SAID BED, A GRINDING WHEEL ROTATABLY MOUNTED ON SAID WHEEL SUPPORT, A WORK CARRIAGE SLIDABLY MOUNTED ON SAID BED, MEANS ON SAID WORK CARRIAGE FOR ROTATABLY SUPPORTING A WORKPIECE, MEANS FOR EFFECTING RELATIVE TRANSVERSE AND LONGITUDINAL MOVEMENTS OF SAID WHEEL SUPPORT AND SAID WORK CARRIAGE, A PLURALITY OF LIMIT SWITCHES ADAPTED TO BE ACTUATED BY SAID TRANSVERSE MOVING MEANS, A LIMIT SWITCH ON SAID BED, AND
References Cited (Backward Citations)
US2142050A
Cited
US2471706A
Cited
US2638719A
Cited
US2780895A
Cited
US3067551A
Cited
US3071904A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-10-27 | 1968-04-27 | 1968-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-27 | 1972-04-27 | 1972-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-27 | 1976-04-27 | 1976-10-27 | $7700.00 | Window Closed / Lapsed |