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US2798283A Expired / Lapsed US ⏱️ 0.0 years remaining

Condensation polymer filament

Assignee: EIDP Inc
•
Filing: 1953-12-09
•
Granted: 1957-07-09
•
Expires: 1973-12-09
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Abstract

No abstract record available.

Inventors

  • 👤 Magat Eugene Edward
  • 👤 Strachan Donald Rittler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 00:14
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/24; D01D5/06; D01D5/253; D01F; D01F6/00; D01F6/58; D01F6/60; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2922; Y10T428/2973; Y10T428/298

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 24 words
A CONDENSATION POLYMER FILAMENT HAVING THE STRUCTURE OF A COLLAPSED TUBE THE WALLS OF WHICH ARE LESS THAN TWENTY HUNDRED-THOUSANDTHS OF AN INCH THICK.
Claim 2
Dependent Claim 24 words
A CONDENSATION POLYMER FILAMENT HAVING THE STRUCTURE OF A COLLAPSED TUBE THE WALLS OF WHICH ARE LESS THAN TWENTY HUNDRED-THOUSANDTHS OF AN INCH THICK.

References Cited (Backward Citations)

US1464048A Cited
US2002153A Cited
US2274255A Cited
US2354435A Cited
US2476293A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-07-08 1961-01-07 1961-07-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-07-08 1965-01-07 1965-07-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-07-08 1969-01-07 1969-07-09 $7700.00 Window Closed / Lapsed

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