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US3362205A Expired / Lapsed US ⏱️ 0.0 years remaining

Extrusion apparatus

Assignee: Babcock and Wilcox Co
•
Filing: 1967-04-19
•
Granted: 1968-01-09
•
Expires: 1987-04-19
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Abstract

No abstract record available.

Inventors

  • 👤 David A Edgecombe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 04:20
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

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