Patent US3362205A successfully refreshed from Google Patents.
US3362205A
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US
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Extrusion apparatus
Assignee: Babcock and Wilcox Co
•
Filing: 1967-04-19
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Granted: 1968-01-09
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Expires: 1987-04-19
Abstract
No abstract record available.
Inventors
- 👤 David A Edgecombe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:51
CPC Classifications
B; B21; B21C; B21C33/00; B21C23/00; B21C23/21; B21C23/212; B21C23/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2538917A
Cited
US2946437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |