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US2698951A Expired / Lapsed US ⏱️ 0.0 years remaining

Process for forming metallic articles

Assignee: Nedschroef Octrooi Maatschappij NV
•
Filing: 1949-01-26
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Granted: 1955-01-11
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Expires: 1969-01-26
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Abstract

No abstract record available.

Inventors

  • 👤 Adrianus Van Haandel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 19:23
CPC Classifications
B; B21; B21J; B21J9/00; B21J9/02; B21J9/06; B21K; B21K1/00; B21K1/64; Y; Y10; Y10T; Y10T29/00; Y10T29/45; Y10T29/4517

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US261022A Cited
US301433A Cited
US837435A Cited
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US2338652A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1958-01-10 1958-07-12 1959-01-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1962-01-10 1962-07-12 1963-01-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1966-01-10 1966-07-12 1967-01-11 $7700.00 Window Closed / Lapsed

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