Patent US3105491A successfully refreshed from Google Patents.
US3105491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite macrofibers and absorbent pads made therefrom
Assignee: Kimberly Clark Corp
•
Filing: 1960-06-22
•
Granted: 1963-10-01
•
Expires: 1980-06-22
Abstract
No abstract record available.
Inventors
- 👤 Kenneth J Harwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:12
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 |