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US3248031A Expired / Lapsed US ⏱️ 0.0 years remaining

Multi-bow expander roll

Assignee: Beloit Eastern Corp
•
Filing: 1964-01-08
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Granted: 1966-04-26
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Expires: 1984-01-08
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Abstract

No abstract record available.

Inventors

  • 👤 John A Kilmartin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 21:11
CPC Classifications
B; B65; B65H; B65H23/00; B65H23/02; B65H23/022; B65H23/025; B65H23/0258; D; D06; D06C; D06C3/00; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/414; B65H2301/4148; D06C2700/00; D06C2700/10

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 65 words
A ROLL STRUCTURE HAVING A DEFORMABLE AXIS COMPRISING, A FLEXIBLE CYLINDRICAL ROLL, A HELICAL SPRING MEMBER IN SUPPORTING ENGAGING RELATIONSHIP WITH THE MATERIAL OF SAID ROLL SPACED INWARDLY FROM THE OUTER SURFACE THEREOF FOR PROVIDING A FIRM CURVATURE ALONG THE ROLL LENGTH, AND SUPPORTING MEANS FOR SUPPORTING SAID ROLL AND DEFORMING SAID ROLL AXIS IN A COMPOUND DEFORMATION IN MORE THAN ONE PLANE WHILE ROTATING.

References Cited (Backward Citations)

US829805A Cited
US1566441A Cited
US1776382A Cited
US1884155A Cited
GB534044A Cited
US2635872A Cited
US2713381A Cited
US3029992A Cited
US3040946A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-04-25 1969-10-25 1970-04-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-04-25 1973-10-25 1974-04-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-04-25 1977-10-25 1978-04-26 $7700.00 Window Closed / Lapsed

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