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US2746065A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making preassembled washers and rotary fasteners

Assignee: Illinois Tool Works Inc
•
Filing: 1953-03-24
•
Granted: 1956-05-22
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Expires: 1973-03-24
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Abstract

No abstract record available.

Inventors

  • 👤 Poupitch Ougljesa Jules

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 03:27
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/08; B23P19/082; B21; B21D; B21D53/00; B21D53/16; B21D53/20; F; F16; F16B; F16B37/00; F16B37/04; F16B37/06; F16B37/062; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5191

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US978924A Cited
US1119553A Cited
US1268862A Cited
US1650525A Cited
US1730377A Cited
US2321155A Cited
US2307132A Cited
US2646613A Cited
US2619146A Cited
US2681678A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-05-22 1959-11-21 1960-05-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-05-22 1963-11-21 1964-05-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-05-22 1967-11-21 1968-05-22 $7700.00 Window Closed / Lapsed

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