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US3489446A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of welding a laminate and product produced thereby

Assignee: United States Steel Corp
•
Filing: 1967-06-29
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Granted: 1970-01-13
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Expires: 1987-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Alvin R Williams

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 07:34
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/16; B23K11/163; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12535

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1162917A Cited
US1233345A Cited
US2078938A Cited
US2124004A Cited
US2222579A Cited
US3005086A Cited
US3418444A Cited
US3277268A Cited
US3359626A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-01-12 1973-07-14 1974-01-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-01-12 1977-07-14 1978-01-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-01-12 1981-07-14 1982-01-13 $7700.00 Window Closed / Lapsed

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