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US3015375A Expired / Lapsed US ⏱️ 0.0 years remaining

Locking connection for supporting grid systems

Assignee: Individual
•
Filing: 1959-08-24
•
Granted: 1962-01-02
•
Expires: 1979-08-24
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Abstract

No abstract record available.

Inventors

  • 👤 Robert P Lickliter
  • 👤 Abbott Earl

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 23:04
CPC Classifications
E; E04; E04B; E04B9/00; E04B9/06; E04B9/12; E04B9/122; Y; Y10; Y10T; Y10T403/00; Y10T403/44; Y10T403/447

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CH46128A Cited
DE347857C Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-01-01 1965-07-03 1966-01-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-01-01 1969-07-03 1970-01-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-01-01 1973-07-03 1974-01-02 $7700.00 Window Closed / Lapsed

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