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US3054136A Expired / Lapsed US ⏱️ 0.0 years remaining

Door closer

Assignee: Schlage Lock Co LLC
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Filing: 1958-10-06
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Granted: 1962-09-18
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Expires: 1978-10-06
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Abstract

No abstract record available.

Inventors

  • 👤 Ernest L Schlage
  • 👤 Robert L Saylor

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 02:01
CPC Classifications
E; E05; E05F; E05F3/00; E05F3/04; E05F3/10; E05F3/102; E05Y; E05Y2201/00; E05Y2201/40; E05Y2201/404; E05Y2201/43; E05Y2201/448; E05Y2201/456; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7834; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7889

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-09-17 1966-03-19 1966-09-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-09-17 1970-03-19 1970-09-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-09-17 1974-03-19 1974-09-18 $7700.00 Window Closed / Lapsed

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