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US3516520A Expired / Lapsed US ⏱️ 0.0 years remaining

Fluid shock absorber

Assignee: Hagglund and Soner AB
•
Filing: 1967-08-23
•
Granted: 1970-06-23
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Expires: 1987-08-23
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Abstract

No abstract record available.

Inventors

  • 👤 Sven Birger Agren
  • 👤 Erkki Antero Stenman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:25
CPC Classifications
F; F16; F16F; F16F5/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1588780A Cited
US2320697A Cited
US3106993A Cited
US3312312A Cited
US3367454A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-06-22 1973-12-22 1974-06-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-06-22 1977-12-22 1978-06-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-06-22 1981-12-22 1982-06-23 $7700.00 Window Closed / Lapsed

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