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US2898761A Expired / Lapsed US ⏱️ 0.0 years remaining

Ascertaining stresses and deformations in solid loaded materials

Assignee: Individual
•
Filing: 1954-01-20
•
Granted: 1959-08-11
•
Expires: 1974-01-20
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Abstract

No abstract record available.

Inventors

  • 👤 Hast Nils Bernhard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 22:34
CPC Classifications
E; E21; E21F; E21F17/00; E21F17/18; E21F17/185; Y; Y10; Y10S; Y10S73/00; Y10S73/02

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1670981A Cited
US2028514A Cited
US2021349A Cited
US2053560A Cited
US2289631A Cited
US2474320A Cited
CH256006A Cited
US2442113A Cited
FR1056219A Cited
US2696109A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1962-08-10 1963-02-09 1963-08-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1966-08-10 1967-02-09 1967-08-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1970-08-10 1971-02-09 1971-08-11 $7700.00 Window Closed / Lapsed

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