Patent US3349599A successfully refreshed from Google Patents.
US3349599A
Expired / Lapsed
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Method and apparatus for forming a beaded shell
Assignee: Inland Steel Co
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Filing: 1964-09-16
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Granted: 1967-10-31
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Expires: 1984-09-16
Abstract
No abstract record available.
Inventors
- 👤 Frederick E Ullman
- 👤 James J Deegan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:16
CPC Classifications
B; B21; B21D; B21D17/00; B21D17/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
APPARATUS FOR EXPANDING A PLURALITY OF AXIALLY SPACED PERIPHERAL BEADS SEPARATED BY A PLURALITY OF PERIPHERAL FURROWS IN A CYLINDRICAL SHELL WHEREIN THE AVERAGE NET AXIAL STRAIN PRODUCED IN THE SHELL DURING BEAD FORMATION IS MINIMIZED COMPRISING, IN COMBINATION, FRAME MEANS ADAPTED TO SLIDABLY RECEIVE SAID SHELL, AT LEAST THREE ANNULAR, AXIALLY SPACED DIE UNITS DISPOSED ABOUT THE PERIPHERY OF SAID FRAME, EACH OF SAID DIE UNITS COMPRISING A
Claim 2
Dependent Claim
69 words
APPARATUS FOR EXPANDING A PLURALITY OF AXIALLY SPACED PERIPHERAL BEADS SEPARATED BY A PLURALITY OF PERIPHERAL FURROWS IN A CYLINDRICAL SHELL WHEREIN THE AVERAGE NET AXIAL STRAIN PRODUCED IN THE SHELL DURING BEAD FORMATION IS MINIMIZED COMPRISING, IN COMBINATION, FRAME MEANS ADAPTED TO SLIDABLY RECEIVE SAID SHELL, AT LEAST THREE ANNULAR, AXIALLY SPACED DIE UNITS DISPOSED ABOUT THE PERIPHERY OF SAID FRAME, EACH OF SAID DIE UNITS COMPRISING A
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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |