US3338082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine for expanding and swaging tube ends
Assignee: Walker Manufacturing Co
•
Filing: 1965-04-13
•
Granted: 1967-08-29
•
Expires: 1985-04-13
Abstract
No abstract record available.
Inventors
- 👤 Luther R Steele
- 👤 Persico George Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:55
CPC Classifications
B; B21; B21D; B21D41/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A MACHINE FOR PERFORMING AT LEAST TWO OPERATIONS ON THE END OF A TUBE COMPRISING FIRST FORMING TOOL MEANS FOR APPLYING AN INWARD RADIAL PRESSURE TO THE TUNE END, SECOND FORMING TOOL MEANS FOR APPLYING AN OUTWARD RADIAL PRESSURE TO THE TUBE, MEANS FOR FIXING THE LONGITUDINAL POSITION OF BOTH TOOL MEANS, LONGITUDINALLY MOVABLE CAM MEANS FOR APPLYING INWARD RADIAL FORCE TO THE FIRST TOOL MEANS AND OUTWARD RADIAL FORCE TO THE SECOND TOOL MEANS, AND MEANS PROVIDING AN OPENING BETWEEN THE FIRST AND SECOND TOOL MEANS TO RECEIVE THE END OF A TUBE.
Claim 2
Dependent Claim
94 words
A MACHINE FOR PERFORMING AT LEAST TWO OPERATIONS ON THE END OF A TUBE COMPRISING FIRST FORMING TOOL MEANS FOR APPLYING AN INWARD RADIAL PRESSURE TO THE TUNE END, SECOND FORMING TOOL MEANS FOR APPLYING AN OUTWARD RADIAL PRESSURE TO THE TUBE, MEANS FOR FIXING THE LONGITUDINAL POSITION OF BOTH TOOL MEANS, LONGITUDINALLY MOVABLE CAM MEANS FOR APPLYING INWARD RADIAL FORCE TO THE FIRST TOOL MEANS AND OUTWARD RADIAL FORCE TO THE SECOND TOOL MEANS, AND MEANS PROVIDING AN OPENING BETWEEN THE FIRST AND SECOND TOOL MEANS TO RECEIVE THE END OF A TUBE.
References Cited (Backward Citations)
US3102502A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |