Patent US4963406A successfully refreshed from Google Patents.
US4963406A
Expired / Lapsed
US
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Absorbent paper towel or tissue product
Assignee: Fort James Corp
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Filing: 1988-10-20
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Granted: 1990-10-16
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Expires: 2008-10-20
Abstract
Abstract An absorbent towel or tissue product of cellulosic fibers or other fibrous material in continuous roll or strip form is provided with a plurality of lines of weakness, suitably slits or knife cuts, delimiting the edges of individual sheets to facilitate detachment of sheets from the roll without longitudinal tearing of the towel or tissue and maintain bonding of the plies on the roll and in detached sheets.
Inventors
- 👤 Chester W. Gooding, Jr.
- 👤 Maurice J. Mead
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:22
CPC Classifications
A; A47; A47K; A47K10/00; A47K10/16; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10T; Y10T428/00; Y10T428/15; Y10T428/24; Y10T428/24802; Y10T428/24826
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
An absorbent web in strip or roll form which comprises multiple plies of absorbent cellulosic or other fibrous material adapted for separation into separate sheets by lines of weakness extending transversely of the strip, and wherein the sheets are delimited by three parallel lines of weakness, the central line of weakness comprising knife cuts having a length and spacing such that is has a lower tear strength than the adjacent lines of weakness whereby a sheet detached from the strip separates from the strip primarily along the central line of weakness and the remaining lines of weakness maintain a bond between plies.
Claim 2
Dependent Claim
102 words
An absorbent web in strip or roll form which comprises multiple plies of absorbent cellulosic or other fibrous material adapted for separation into separate sheets by lines of weakness extending transversely of the strip, and wherein the sheets are delimited by three parallel lines of weakness, the central line of weakness comprising knife cuts having a length and spacing such that is has a lower tear strength than the adjacent lines of weakness whereby a sheet detached from the strip separates from the strip primarily along the central line of weakness and the remaining lines of weakness maintain a bond between plies.
References Cited (Backward Citations)
US2266958A
Cited
US4508365A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-10-15 | 1994-04-16 | 1994-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-10-15 | 1998-04-16 | 1998-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-10-15 | 2002-04-16 | 2002-10-16 | $7700.00 | Window Closed / Lapsed |