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US2464169A Expired / Lapsed US ⏱️ 0.0 years remaining

Stretch bending method and device, including workpiece attaching means transversely offset relative to neutral plane of workpieces

Assignee: ThyssenKrupp Budd Co
•
Filing: 1944-06-20
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Granted: 1949-03-08
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Expires: 1964-06-20
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Abstract

No abstract record available.

Inventors

  • 👤 Bentley Rowiand

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 22:57
CPC Classifications
B; B21; B21D; B21D11/00; B21D11/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1504106A Cited
US1761888A Cited
US1968010A Cited
US2269549A Cited
GB512266A Cited
US2292731A Cited
US2301960A Cited
US2326470A Cited
US2357027A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1952-03-07 1952-09-06 1953-03-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1956-03-07 1956-09-06 1957-03-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1960-03-07 1960-09-06 1961-03-08 $7700.00 Window Closed / Lapsed

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