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US3107718A Expired / Lapsed US ⏱️ 0.0 years remaining

Sectional forming roll for tube mills

Assignee: Abbey Etna Machine Co
•
Filing: 1961-01-10
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Granted: 1963-10-22
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Expires: 1981-01-10
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Abstract

No abstract record available.

Inventors

  • 👤 Lewis H Ruple

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 14:08
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/06; B21D5/10; B21D5/12; F; F16; F16C; F16C13/00; F16C13/02; F16C19/00; F16C19/54; F16C19/546; F16C19/547; F16C19/548

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1297465A Cited
US1676784A Cited
US1792618A Cited
US1836339A Cited
US2001757A Cited
GB531215A Cited
US2232967A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-10-21 1967-04-22 1967-10-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-10-21 1971-04-22 1971-10-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-10-21 1975-04-22 1975-10-22 $7700.00 Window Closed / Lapsed

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