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US1584247A Expired / Lapsed US ⏱️ 0.0 years remaining

Chimney

Assignee: Individual
•
Filing: 1926-01-08
•
Granted: 1926-05-11
•
Expires: 1946-01-08
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Abstract

No abstract record available.

Inventors

  • 👤 Simmons John Walter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 23:17
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/14; E04D13/147; E04D13/1473; E04D13/1476

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1929-05-10 1929-11-09 1930-05-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1933-05-10 1933-11-09 1934-05-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1937-05-10 1937-11-09 1938-05-11 $7700.00 Window Closed / Lapsed

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