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US2940084A Expired / Lapsed US ⏱️ 0.0 years remaining

Flush valves for toilet tanks

Assignee: Individual
•
Filing: 1958-03-18
•
Granted: 1960-06-14
•
Expires: 1978-03-18
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Abstract

No abstract record available.

Inventors

  • 👤 Fabbi Fabio
  • 👤 Peter P Chiappetta

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 15:33
CPC Classifications
E; E03; E03D; E03D1/00; E03D1/02; E03D1/14; E03D1/142; E03D1/145; E03D1/30; E03D1/304

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US815661A Cited
US1474288A Cited
US1890281A Cited
US1960864A Cited
US2598967A Cited
US2685694A Cited
US2709263A Cited
US2716242A Cited
US2760206A Cited
US2744260A Cited
US2879521A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-06-14 1963-12-14 1964-06-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-06-14 1967-12-14 1968-06-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-06-14 1971-12-14 1972-06-14 $7700.00 Window Closed / Lapsed

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