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US1555931A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of building armatures

Assignee: Individual
•
Filing: 1920-10-11
•
Granted: 1925-10-06
•
Expires: 1940-10-11
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Abstract

No abstract record available.

Inventors

  • 👤 Vincent G Apple

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 12:56
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/06; H02K15/062; H02K15/064; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012; Y10T29/4902; Y10T29/49073; Y10T29/53; Y10T29/5313; Y10T29/53143; Y10T29/53909; Y10T29/53943

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) 1928-10-05 1929-04-06 1929-10-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1932-10-05 1933-04-06 1933-10-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1936-10-05 1937-04-06 1937-10-06 $7700.00 Window Closed / Lapsed

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