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US3013668A Expired / Lapsed US ⏱️ 0.0 years remaining

Support structure

Assignee: Individual
•
Filing: 1958-04-28
•
Granted: 1961-12-19
•
Expires: 1978-04-28
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Abstract

No abstract record available.

Inventors

  • 👤 Mennen Joseph

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 22:18
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/11; A47F5/112

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

FR594866A Cited
DE470689C Cited
US1699875A Cited
US2231091A Cited
US2723820A Cited
US2726835A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-12-18 1965-06-19 1965-12-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-12-18 1969-06-19 1969-12-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-12-18 1973-06-19 1973-12-19 $7700.00 Window Closed / Lapsed

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