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US2948927A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of manufacturing fibrous and porous materials

Assignee: Individual
•
Filing: 1957-04-29
•
Granted: 1960-08-16
•
Expires: 1977-04-29
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Abstract

No abstract record available.

Inventors

  • 👤 Rasmussen Ole-Bendt
  • 👤 Strandvej Taarbaek

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 22:34
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/42; D01D5/423; Y; Y10; Y10S; Y10S264/00; Y10S264/08; Y10S264/47; Y10S264/73; Y10S8/00; Y10S8/10; Y10S8/21

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 44 words
IN A FIBERIZING PROCESS, THE STEPS OF INTRODUCING AN EXPANDIBLE FINELY DISPERSE PHASE INTO A HIGH-MOLECULAR ORGANIC ORIENTABLE MATERIAL, SHAPING THE MATERIAL INTO A STRETCHABLE BODY, STRONGLY ORIENTING THE MATERIAL CONTAINING THE DISPERSE PHASE, AND CAUSING THE DISPERSE PHASE TO EXPAND WITHIN THE MATERIAL.

References Cited (Backward Citations)

US2185789A Cited
US2345144A Cited
US2576749A Cited
US2689980A Cited
US2578523A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1963-08-16 1964-02-15 1964-08-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1967-08-16 1968-02-15 1968-08-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1971-08-16 1972-02-15 1972-08-16 $7700.00 Window Closed / Lapsed

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