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US1183586A Expired / Lapsed US ⏱️ 0.0 years remaining

Composite door construction.

Assignee: Hale and Kilburn Co
•
Filing: 1914-12-21
•
Granted: 1916-05-16
•
Expires: 1934-12-21
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Abstract

No abstract record available.

Inventors

  • 👤 Charles K Olberg
  • 👤 Alfred B Bell

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:13
CPC Classifications
E; E06; E06B; E06B5/00; E06B5/10; E06B5/16

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) 1919-05-16 1919-11-15 1920-05-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1923-05-16 1923-11-15 1924-05-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1927-05-16 1927-11-15 1928-05-16 $7700.00 Window Closed / Lapsed

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