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US3067985A Expired / Lapsed US ⏱️ 0.0 years remaining

Picket fence

Assignee: WESTMORELAND METAL Manufacturing Co
•
Filing: 1961-03-29
•
Granted: 1962-12-11
•
Expires: 1981-03-29
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Abstract

No abstract record available.

Inventors

  • 👤 Cusack Joseph Edwin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 05:27
CPC Classifications
E; E04; E04H; E04H17/00; E04H17/14; E04H17/1413; E04H17/1417; E04H17/1426; E04H17/1439; E04H17/1447; E04H17/1448

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1985322A Cited
US2218953A Cited
US2883159A Cited
US2870996A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-12-10 1966-06-11 1966-12-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-12-10 1970-06-11 1970-12-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-12-10 1974-06-11 1974-12-11 $7700.00 Window Closed / Lapsed

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