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US3468567A Expired / Lapsed US ⏱️ 0.0 years remaining

Fastening clamp

Assignee: Unistrut International Corp
•
Filing: 1967-10-27
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Granted: 1969-09-23
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Expires: 1987-10-27
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Abstract

No abstract record available.

Inventors

  • 👤 Warren R Attwood
  • 👤 Herbert J Henry

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 07:37
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/048; F16B7/0493; E; E01; E01F; E01F13/00; E01F13/02; E01F15/00; E01F15/02; E01F15/04; E01F15/0407; E01F15/0438; E01F9/00; E01F9/60; E01F9/658; E01F9/669; F16B2/00; F16B2/20; F16B2/22; F16B2/24; F16B2/241; F16B2/245; F16B2/246; F16B5/00; F16B5/06; F16B5/0685; Y; Y10; Y10T; Y10T403/00; Y10T403/71; Y10T403/7164

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US809549A Cited
US1559187A Cited
US2056842A Cited
US2208358A Cited
US2776116A Cited
GB775566A Cited
US2915879A Cited
US2858266A Cited
US3276750A Cited
US3325227A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-09-22 1973-03-24 1973-09-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-09-22 1977-03-24 1977-09-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-09-22 1981-03-24 1981-09-23 $7700.00 Window Closed / Lapsed

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