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US2922426A Expired / Lapsed US ⏱️ 0.0 years remaining

buffington

Assignee: —
•
Filing: —
•
Granted: 1960-01-26
•
Expires: 1977-01-26
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 14:56
CPC Classifications
A; A42; A42B; A42B7/00; A44; A44C; A44C15/00; A44C15/0045; A45; A45D; A45D8/00; A45D8/004

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US22389A Cited
US953159A Cited
US1535309A Cited
US2555494A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-01-25 1963-07-27 1964-01-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-01-25 1967-07-27 1968-01-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-01-25 1971-07-27 1972-01-26 $7700.00 Window Closed / Lapsed

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