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US3535625A Expired / Lapsed US ⏱️ 0.0 years remaining

Strain and flaw detector

Assignee: Garrett Corp
•
Filing: 1968-04-22
•
Granted: 1970-10-20
•
Expires: 1988-04-22
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Abstract

No abstract record available.

Inventors

  • 👤 Norman F Pratt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:58
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/72; G01N27/82; G01N27/90; G01N27/9046; G01N27/9006; G01L; G01L1/00; G01L1/12; G01L1/125; G01L1/127

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CA626558A Cited
FR716410A Cited
US2311715A Cited
US2266620A Cited
GB573182A Cited
US2531414A Cited
US2858505A Cited
US2918621A Cited
US2921298A Cited
US3247453A Cited
US3271662A Cited
US3201562A Cited
US3273055A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-10-19 1974-04-20 1974-10-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-10-19 1978-04-20 1978-10-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-10-19 1982-04-20 1982-10-20 $7700.00 Window Closed / Lapsed

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