US3141365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable lathe
Assignee: Individual
•
Filing: 1961-03-09
•
Granted: 1964-07-21
•
Expires: 1981-03-09
Abstract
No abstract record available.
Inventors
- 👤 James B Peters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:52
CPC Classifications
B; B23; B23B; B23B3/00; B23B3/22; B23B3/26; B23B3/265; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/306216; Y10T409/306384; Y10T409/309576; Y10T409/309912; Y10T82/00; Y10T82/25; Y10T82/2522
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A PORTABLE LATHE FOR WORKING ON THE FACE OF A WORKPIECE SUCH AS A PIPE FLANGE, COMPRISING A SPIDER HAVING AN OPENING FORMED AXIALLY THERETHROUGH, MEANS FOR ADJUSTABLY MOUNTING SAID SPIDER ON A WORKPIECE IN SPACED RELATION TO THE FACE THEREOF, A SPINDLE SUPPORT MOUNTED IN THE OPENING OF THE SPIDER AND BEING ROTATABLY ADJUSTABLE RELATIVE TO SAID SPIDER, SAID SUPPORT BEING FORMED WITH A LONGITUDINAL OPENING EXTENDING CONCENTRICALLY THERETHROUGH AND AN ECCENTRIC COLLAR BY WHICH IT IS SUPPORTED IN THE SPIDER, A SPINDLE ROTATABLY MOUNTED IN THE LONGITUDINAL OPENING OF THE SUPPORT, A FACING TOOL MOUNTED ON THE END OF SAID SPINDLE ADJACENT SAID WORKPIECE, AND MEANS FOR ROTATAING SAID SPINDLE ABOUT ITS LONGITUDINAL AXIS TO DRIVE SAID TOOL, SAID SPINDLE BEING ADAPTED TO BE AXIALLY CENTERED WITH RESPECT TO SAID WORKPIECE BY ROTA-
Claim 2
Dependent Claim
135 words
A PORTABLE LATHE FOR WORKING ON THE FACE OF A WORKPIECE SUCH AS A PIPE FLANGE, COMPRISING A SPIDER HAVING AN OPENING FORMED AXIALLY THERETHROUGH, MEANS FOR ADJUSTABLY MOUNTING SAID SPIDER ON A WORKPIECE IN SPACED RELATION TO THE FACE THEREOF, A SPINDLE SUPPORT MOUNTED IN THE OPENING OF THE SPIDER AND BEING ROTATABLY ADJUSTABLE RELATIVE TO SAID SPIDER, SAID SUPPORT BEING FORMED WITH A LONGITUDINAL OPENING EXTENDING CONCENTRICALLY THERETHROUGH AND AN ECCENTRIC COLLAR BY WHICH IT IS SUPPORTED IN THE SPIDER, A SPINDLE ROTATABLY MOUNTED IN THE LONGITUDINAL OPENING OF THE SUPPORT, A FACING TOOL MOUNTED ON THE END OF SAID SPINDLE ADJACENT SAID WORKPIECE, AND MEANS FOR ROTATAING SAID SPINDLE ABOUT ITS LONGITUDINAL AXIS TO DRIVE SAID TOOL, SAID SPINDLE BEING ADAPTED TO BE AXIALLY CENTERED WITH RESPECT TO SAID WORKPIECE BY ROTA-
References Cited (Backward Citations)
US2157375A
Cited
US2211134A
Cited
US2283323A
Cited
GB551514A
Cited
US2395519A
Cited
US2518929A
Cited
US2660096A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-21 | 1968-01-20 | 1968-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-21 | 1972-01-20 | 1972-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-21 | 1976-01-20 | 1976-07-21 | $7700.00 | Window Closed / Lapsed |