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US2797591A Expired / Lapsed US ⏱️ 0.0 years remaining

Appliance knobs

Assignee: PATENT BUTTON Co OF TENNE
•
Filing: 1953-07-06
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Granted: 1957-07-02
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Expires: 1973-07-06
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Abstract

No abstract record available.

Inventors

  • 👤 Marius W Marrapese

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 02:28
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/02; G05G1/08; G05G1/10; G05G1/12; G05G5/00; G05G5/06; G05G5/08; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636; Y10T74/20642; Y10T74/20732; Y10T74/20834; Y10T74/2084

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US600849A Cited
US409100A Cited
GB189914680A Cited
US893184A Cited
US1100286A Cited
US1113613A Cited
US1575410A Cited
US1527617A Cited
US2262667A Cited
US2427310A Cited
US2501008A Cited
US2602351A Cited
US2660904A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-07-01 1960-12-31 1961-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-07-01 1964-12-31 1965-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-07-01 1968-12-31 1969-07-02 $7700.00 Window Closed / Lapsed

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