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US3001224A Expired / Lapsed US ⏱️ 0.0 years remaining

Concealed hinge

Assignee: Individual
•
Filing: 1960-05-16
•
Granted: 1961-09-26
•
Expires: 1980-05-16
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Abstract

No abstract record available.

Inventors

  • 👤 Charles J Soss

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 23:03
CPC Classifications
E; E05; E05D; E05D3/00; E05D3/06; E05D3/16; E05D2003/166; E05Y; E05Y2600/00; E05Y2600/40; E05Y2600/41; E05Y2600/412

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1027716A Cited
US1030936A Cited
US2178271A Cited
US2246086A Cited
US2627626A Cited
US2935365A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-09-25 1965-03-27 1965-09-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-09-25 1969-03-27 1969-09-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-09-25 1973-03-27 1973-09-26 $7700.00 Window Closed / Lapsed

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