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US3411282A Expired / Lapsed US ⏱️ 0.0 years remaining

Textile strand treatment

Assignee: Techniservice Corp
•
Filing: 1967-01-16
•
Granted: 1968-11-19
•
Expires: 1987-01-16
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Abstract

No abstract record available.

Inventors

  • 👤 Frederick J E Hampel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 06:13
CPC Classifications
D; D02; D02G; D02G1/00; D02G1/02; D02G1/028

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3035396A Cited
US3091908A Cited
US3178795A Cited
US3261155A Cited
US3261116A Cited
US3261156A Cited
US3321904A Cited
US3327462A Cited
US3360838A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-11-19 1972-05-20 1972-11-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-11-19 1976-05-20 1976-11-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-11-19 1980-05-20 1980-11-19 $7700.00 Window Closed / Lapsed

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