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US2168989A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and means for unremovably securing stamp transfers and the like

Assignee: Mid-States Gummed Paper Co
•
Filing: 1938-02-21
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Granted: 1939-08-08
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Expires: 1958-02-21
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Abstract

No abstract record available.

Inventors

  • 👤 Ferdinand W Humphner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 18:04
CPC Classifications
B; B44; B44C; B44C1/00; B44C1/16; B44C1/165; B44C1/175; Y; Y10; Y10S; Y10S428/00; Y10S428/914

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) 1942-08-07 1943-02-06 1943-08-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1946-08-07 1947-02-06 1947-08-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1950-08-07 1951-02-06 1951-08-08 $7700.00 Window Closed / Lapsed

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