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US2634775A Expired / Lapsed US ⏱️ 0.0 years remaining

Chisel type blade for carving tools

Assignee: UNSINGER AP Corp
•
Filing: 1947-07-05
•
Granted: 1953-04-14
•
Expires: 1967-07-05
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Abstract

No abstract record available.

Inventors

  • 👤 Philip H Unsinger

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 10:21
CPC Classifications
B; B25; B25D; B25D3/00; Y; Y10; Y10T; Y10T279/00; Y10T279/17; Y10T279/17291; Y10T279/17299

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US622161A Cited
US207620A Cited
US715374A Cited
US759005A Cited
US831945A Cited
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US2010590A Cited
US2026078A Cited
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GB490152A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-04-13 1956-10-13 1957-04-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-04-13 1960-10-13 1961-04-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-04-13 1964-10-13 1965-04-14 $7700.00 Window Closed / Lapsed

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