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US3029875A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1957-10-14
•
Granted: 1962-04-17
•
Expires: 1977-10-14
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Abstract

No abstract record available.

Inventors

  • 👤 Bynum W Moller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 05:04
CPC Classifications
E; E21; E21B; E21B49/00; E21B49/08; E21B49/087; E21B49/088

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2150228A Cited
US2202461A Cited
US2180605A Cited
US2352744A Cited
US2419313A Cited
US2458631A Cited
US2461727A Cited
US2540322A Cited
US2589606A Cited
US2606793A Cited
US2768695A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-04-16 1965-10-16 1966-04-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-04-16 1969-10-16 1970-04-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-04-16 1973-10-16 1974-04-17 $7700.00 Window Closed / Lapsed

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