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US3017842A Expired / Lapsed US ⏱️ 0.0 years remaining

Bulkhead

Assignee: Evans Products Co
•
Filing: 1957-07-01
•
Granted: 1962-01-23
•
Expires: 1977-07-01
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Abstract

No abstract record available.

Inventors

  • 👤 Nampa Sulo Michael

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 16:00
CPC Classifications
B; B61; B61D; B61D19/00; B61D19/003; B61D19/008; B61D45/00; B61D45/006

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US788761A Cited
US1388819A Cited
US2063434A Cited
US2071802A Cited
US2227807A Cited
US2605064A Cited
US2681699A Cited
US2772641A Cited
US2866419A Cited
US2786229A Cited
US2719322A Cited
US2752864A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-01-22 1965-07-24 1966-01-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-01-22 1969-07-24 1970-01-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-01-22 1973-07-24 1974-01-23 $7700.00 Window Closed / Lapsed

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