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US2862219A Expired / Lapsed US ⏱️ 0.0 years remaining

Oil check towel

Assignee: Individual
•
Filing: 1955-10-18
•
Granted: 1958-12-02
•
Expires: 1975-10-18
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Abstract

No abstract record available.

Inventors

  • 👤 Kaczanowski Leonard

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 03:46
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/29; G01N21/293

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1925254A Cited
US2415208A Cited
US2455765A Cited
US2496630A Cited
US2650384A Cited
US2659922A Cited
US2672432A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-12-01 1962-06-02 1962-12-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-12-01 1966-06-02 1966-12-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-12-01 1970-06-02 1970-12-02 $7700.00 Window Closed / Lapsed

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