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US3105491A Expired / Lapsed US ⏱️ 0.0 years remaining

Composite macrofibers and absorbent pads made therefrom

Assignee: Kimberly Clark Corp
•
Filing: 1960-06-22
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Granted: 1963-10-01
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Expires: 1980-06-22
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Abstract

No abstract record available.

Inventors

  • 👤 Kenneth J Harwood

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 01:26
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/53; A61F13/15577; A61F13/15617; A61F13/20; A61F13/2082; A61F13/2085; A61F13/45; A61F13/47; D; D04; D04H; D04H1/00; D04H1/04; D04H1/06; D21; D21H; D21H11/00; D21H11/02; D21H11/06; D21H27/00; D21H27/30; D21H5/00; D21H5/12; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904; Y10T428/2913; Y10T428/2973; Y10T428/2976

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 56 words
COMPOSITE MACROFIBERS COMPRISING INDIVIDUALLY SELFSUBSTANTING ELONGATE FIBROUS STRUCTURES OF IRREGULAR LENGTH SUBSTANTIALLY TAPERED AT EACH END AND CONSISTING OF A MULTIPLICITY OF TWISTED AND INTERTWINED RELATIVELY SHORT COMPONENT FIBERS, THE UNIT VOLUME OF SAID INDIVIDUAL MACROFIBER STRUCTURES BEING IN THE RANGE OF FROM ABOUT 100 TO 5,000 TIMES THE UNIT VOLUME OF THE SHORT COMPONENT FIBERS.
Claim 2
Dependent Claim 56 words
COMPOSITE MACROFIBERS COMPRISING INDIVIDUALLY SELFSUBSTANTING ELONGATE FIBROUS STRUCTURES OF IRREGULAR LENGTH SUBSTANTIALLY TAPERED AT EACH END AND CONSISTING OF A MULTIPLICITY OF TWISTED AND INTERTWINED RELATIVELY SHORT COMPONENT FIBERS, THE UNIT VOLUME OF SAID INDIVIDUAL MACROFIBER STRUCTURES BEING IN THE RANGE OF FROM ABOUT 100 TO 5,000 TIMES THE UNIT VOLUME OF THE SHORT COMPONENT FIBERS.

References Cited (Backward Citations)

US875066A Cited
US1284143A Cited
US2451504A Cited
US2465996A Cited
US2602964A Cited
US2616428A Cited
US2780909A Cited
US2795926A Cited
US2761449A Cited
US2926483A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-09-30 1967-04-01 1967-10-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-09-30 1971-04-01 1971-10-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-09-30 1975-04-01 1975-10-01 $7700.00 Window Closed / Lapsed

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