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US3490124A Expired / Lapsed US ⏱️ 0.0 years remaining

Composite metal layers for fabricating deep drawn articles

Assignee: Texas Instruments Inc
•
Filing: 1967-02-07
•
Granted: 1970-01-20
•
Expires: 1987-02-07
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Abstract

No abstract record available.

Inventors

  • 👤 Edwin A Miller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 19:13
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/04; B21; B21D; B21D22/00; B21D22/20; B21D22/203; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/1234; Y10T428/12465; Y10T428/12493; Y10T428/12639; Y10T428/12736; Y10T428/1275; Y10T428/12764

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2383511A Cited
US2735170A Cited
US1845155A Cited
US1997166A Cited
US2713196A Cited
US3042428A Cited
US2947069A Cited
US3168381A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-01-19 1973-07-21 1974-01-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-01-19 1977-07-21 1978-01-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-01-19 1981-07-21 1982-01-20 $7700.00 Window Closed / Lapsed

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