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US3410096A Expired / Lapsed US ⏱️ 0.0 years remaining

Streamlined riser pipe

Assignee: Atlantic Richfield Co
•
Filing: 1966-12-07
•
Granted: 1968-11-12
•
Expires: 1986-12-07
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Abstract

No abstract record available.

Inventors

  • 👤 Frank J Schuh

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 17:18
CPC Classifications
B; B63; B63B; B63B35/00; B63B35/44; B63B35/4406; E; E21; E21B; E21B17/00; E21B17/01

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1408868A Cited
US2946566A Cited
US3352118A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-11-12 1972-05-13 1972-11-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-11-12 1976-05-13 1976-11-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-11-12 1980-05-13 1980-11-12 $7700.00 Window Closed / Lapsed

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