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US1217815A Expired / Lapsed US ⏱️ 0.0 years remaining

Drill, hammer, and motor-case combined.

Assignee: Individual
•
Filing: 1915-10-25
•
Granted: 1917-02-27
•
Expires: 1935-10-25
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Abstract

No abstract record available.

Inventors

  • 👤 Walter S Payne

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 20:01
CPC Classifications
B; B25; B25F; B25F5/00; B25F5/02; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/19; Y10T74/19642; Y10T74/19679; Y10T74/19684

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) 1920-02-27 1920-08-28 1921-02-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1924-02-27 1924-08-28 1925-02-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1928-02-27 1928-08-28 1929-02-27 $7700.00 Window Closed / Lapsed

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