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US3213965A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable lean-to scaffolds

Assignee: Individual
•
Filing: 1963-11-01
•
Granted: 1965-10-26
•
Expires: 1983-11-01
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Abstract

No abstract record available.

Inventors

  • 👤 Fred P Fedoryk

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 23:12
CPC Classifications
E; E04; E04G; E04G1/00; E04G1/28

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE17401C Cited
US510194A Cited
US966852A Cited
US1031110A Cited
US1104996A Cited
US3098540A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-25 1969-04-26 1969-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-25 1973-04-26 1973-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-25 1977-04-26 1977-10-26 $7700.00 Window Closed / Lapsed

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