US3256846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic impulse can flanging and separating apparatus and method
Assignee: Continental Can Co Inc
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Filing: 1963-04-24
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Granted: 1966-06-21
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Expires: 1983-04-24
Abstract
No abstract record available.
Inventors
- 👤 Henry J Keinanen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:16
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/14; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49803
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A METHOD OF FORMING FLANGE ENDED TUBULAR MEMBERS COMPRISING THE STEPS OF PROVIDING A LENGTH OF TUBING, FORMING AN OUTWARDLY PROJECTING RIB ON SAID TUBING, AND THEN REMOVING AN OUTERMOST PORTION OF SAID RIB ENTIRELY AROUND SAID TUBING TO SEPARATE SAID TUBING INTO TWO FLANGED AND TUBULAR MEMBERS, SAID TUBING BEING LONGITUDINALLY MOVED DURING THE RIB FORMING AND THE RIB PORTION REMOVAL OPERATIONS.
Claim 2
Independent Claim
63 words
A METHOD OF FORMING FLANGE ENDED TUBULAR MEMBERS COMPRISING THE STEPS OF PROVIDING A LENGTH OF TUBING, FORMING AN OUTWARDLY PROJECTING RIB ON SAID TUBING, AND THEN REMOVING AN OUTERMOST PORTION OF SAID RIB ENTIRELY AROUND SAID TUBING TO SEPARATE SAID TUBING INTO TWO FLANGED AND TUBULAR MEMBERS, SAID TUBING BEING LONGITUDINALLY MOVED DURING THE RIB FORMING AND THE RIB PORTION REMOVAL OPERATIONS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-20 | 1969-12-20 | 1970-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-20 | 1973-12-20 | 1974-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-20 | 1977-12-20 | 1978-06-21 | $7700.00 | Window Closed / Lapsed |