Patent US3561300A successfully refreshed from Google Patents.
US3561300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of machining an elongated shaft
Assignee: Individual
•
Filing: 1968-03-19
•
Granted: 1971-02-09
•
Expires: 1988-03-19
Abstract
Abstract A METHOD AND APPARATUS ARE PROVIDED FOR STEADYING AN ELONGATED HORIZONTALLY DISPOSED ROTATING SHAFT AGAINST OSCILLATORY MOVEMENT DURING A TURNING OPERATION. IN THE APPARATUS DISCLOSED, DOWNWARD PRESSURE IS APPLIED AT SPACED POINTS ALONG THE SHAFT THROUGH SETS OF ROLLERS FORMED OF A VIBRATION-DAMPING MATERIAL.
Inventors
- 👤 Douglas W Peasley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:03
CPC Classifications
B; B23; B23Q; B23Q1/00; B23Q1/72; B23Q1/76; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2593; Y10T82/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-08 | 1974-08-10 | 1975-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-08 | 1978-08-10 | 1979-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-08 | 1982-08-10 | 1983-02-09 | $7700.00 | Window Closed / Lapsed |