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US1408186A Expired / Lapsed US ⏱️ 0.0 years remaining

Door-controlling apparatus

Assignee: Individual
•
Filing: 1916-03-30
•
Granted: 1922-02-28
•
Expires: 1936-03-30
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Abstract

No abstract record available.

Inventors

  • 👤 Gehr Ray Stewart

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 23:06
CPC Classifications
E; E05; E05F; E05F3/00; E05F3/04; E05F3/06; E05Y; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10S; Y10S16/00; Y10S16/17

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1925-02-27 1925-08-29 1926-02-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1929-02-27 1929-08-29 1930-02-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1933-02-27 1933-08-29 1934-02-28 $7700.00 Window Closed / Lapsed

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