Patent US3557586A successfully refreshed from Google Patents.
US3557586A
Expired / Lapsed
US
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Apparatus for bending tubing
Assignee: Axia Inc
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Filing: 1968-06-12
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Granted: 1971-01-26
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Expires: 1988-06-12
Abstract
Abstract THIS DISCLOSURE EMBRACES A METHOD OF AND APPARATUS FOR FORMING OR IMPRESSING SUCCESSIVE BENDS IN TUBING, SUCH AS EXHAUST PIPES FOR INTERNAL COMBUSTION ENGINE EXHAUST SYSTEMS, THE METHOD AND APPARATUS PROVIDING FOR FORMING SUCCESSIVE BENDS OF VARIOUS DEPTHS AND ANGULARITIES WHILE MAINTAINING POSITIVE CONTROL OF THE TUBING DURING THE SUCCESSIVE OPERATIONS TO ASSURE THE PROPER ORIENTIATION OF THE BENDS IN THE TUBING.
Inventors
- 👤 Daniel A Zmuda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:24
CPC Classifications
B; B21; B21D; B21D7/00; B21D7/02; B21D7/022
Claims Analysis
Total Claims: 0
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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) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |