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US2448165A Expired / Lapsed US ⏱️ 0.0 years remaining

Preformed welt

Assignee: WRIGHT BATCHELDER CORP
•
Filing: 1944-05-10
•
Granted: 1948-08-31
•
Expires: 1964-05-10
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Abstract

No abstract record available.

Inventors

  • 👤 Wallace C Wright

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 16:39
CPC Classifications
A; A43; A43B; A43B15/00; Y; Y10; Y10S; Y10S29/00; Y10S29/047; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49838

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

DE98048C Cited
DE225442C Cited
US927078A Cited
GB190802783A Cited
DE423181C Cited
US1907143A Cited
DE640358C Cited
US2329290A Cited
US2390485A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-08-31 1952-03-01 1952-08-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-08-31 1956-03-01 1956-08-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-08-31 1960-03-01 1960-08-31 $7700.00 Window Closed / Lapsed

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