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US2455173A Expired / Lapsed US ⏱️ 0.0 years remaining

Yarn treating apparatus

Assignee: EIDP Inc
•
Filing: 1946-05-25
•
Granted: 1948-11-30
•
Expires: 1966-05-25
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Abstract

No abstract record available.

Inventors

  • 👤 Ira V Hitt

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 15:39
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/225; Y; Y10; Y10S; Y10S425/00; Y10S425/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2132753A Cited
US798989A Cited
GB365788A Cited
US2034657A Cited
US2129284A Cited
US2284399A Cited
US2226135A Cited
US2173997A Cited
US2289232A Cited
US2325060A Cited
US2381398A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1951-11-30 1952-05-31 1952-11-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1955-11-30 1956-05-31 1956-11-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1959-11-30 1960-05-31 1960-11-30 $7700.00 Window Closed / Lapsed

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