Patent US3098290A successfully refreshed from Google Patents.
US3098290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of expanding passageway panel on one side
Assignee: Reynolds Metals Co
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Filing: 1954-04-27
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Granted: 1963-07-23
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Expires: 1974-04-27
Abstract
No abstract record available.
Inventors
- 👤 Jesse B Thomas
- 👤 James A Hall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:56
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/053; B21D26/055; B21D47/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METHOD OF EXPANDING AN UNEXPANDED PRESSURE WELDED PASSAGEWAY PANEL ONE SIDE COMPRISING: CLAMPING THE UNEXPANDED PASSAGEWAY PANEL BETWEEN A PAIR OF OPPOSED RIGID PLATENS WITH A YIELDABLE BLANKET INTERPOSED BETWEEN ONE FACE OF THE PANEL AND THE ADJACENT PLATEN AND WITH THE OTHER FACE OF THE PANEL ENGAGED IN FACE-TO-FACE ENGAGEMENT WITH THE OTHER PLATEN; AND, WHILE HOLDING SAID PANEL AND BLANKET IN A CLAMPED CONDITION, SUBJECTING THE PANEL PASSAGEWAY SYSTEM TO AN INTERNAL EXPANSION PRESSURE
Claim 2
Independent Claim
77 words
A METHOD OF EXPANDING AN UNEXPANDED PRESSURE WELDED PASSAGEWAY PANEL ONE SIDE COMPRISING: CLAMPING THE UNEXPANDED PASSAGEWAY PANEL BETWEEN A PAIR OF OPPOSED RIGID PLATENS WITH A YIELDABLE BLANKET INTERPOSED BETWEEN ONE FACE OF THE PANEL AND THE ADJACENT PLATEN AND WITH THE OTHER FACE OF THE PANEL ENGAGED IN FACE-TO-FACE ENGAGEMENT WITH THE OTHER PLATEN; AND, WHILE HOLDING SAID PANEL AND BLANKET IN A CLAMPED CONDITION, SUBJECTING THE PANEL PASSAGEWAY SYSTEM TO AN INTERNAL EXPANSION PRESSURE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |