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US2652874A Expired / Lapsed US ⏱️ 0.0 years remaining

Covering for toilet flush tanks

Assignee: RHEA Manufacturing Co
•
Filing: 1950-10-30
•
Granted: 1953-09-22
•
Expires: 1970-10-30
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Abstract

No abstract record available.

Inventors

  • 👤 Alice E Armstrong

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:58
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/01; Y; Y10; Y10S; Y10S4/00; Y10S4/901

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1610326A Cited
US1669616A Cited
US2035384A Cited
US2527418A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-09-21 1957-03-23 1957-09-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-09-21 1961-03-23 1961-09-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-09-21 1965-03-23 1965-09-22 $7700.00 Window Closed / Lapsed

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