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US2984440A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1957-07-01
•
Granted: 1961-05-16
•
Expires: 1977-07-01
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Abstract

No abstract record available.

Inventors

  • 👤 Simons Elizabeth Wagg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 12:01
CPC Classifications
A; A47; A47B; A47B67/00; A47B67/005

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US963000A Cited
US1631355A Cited
US2335896A Cited
US2262939A Cited
US2598531A Cited
US2783367A Cited
US2904290A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-05-15 1964-11-14 1965-05-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-05-15 1968-11-14 1969-05-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-05-15 1972-11-14 1973-05-16 $7700.00 Window Closed / Lapsed

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