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US1234690A Expired / Lapsed US ⏱️ 0.0 years remaining

Floor-cutting tool.

Assignee: EARL B FLYNN
•
Filing: 1916-07-22
•
Granted: 1917-07-24
•
Expires: 1936-07-22
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Abstract

No abstract record available.

Inventors

  • 👤 Ferdinand J Pieper

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 18:28
CPC Classifications
E; E01; E01B; E01B29/00; E01B29/06; E01B29/09; E01B29/10; E01B29/11; Y; Y10; Y10T; Y10T83/00; Y10T83/687; Y10T83/6905; Y10T83/6985; Y10T83/768; Y10T83/7755; Y10T83/7788

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) 1920-07-23 1921-01-22 1921-07-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1924-07-23 1925-01-22 1925-07-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1928-07-23 1929-01-22 1929-07-24 $7700.00 Window Closed / Lapsed

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