US4891454A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infant car seat liner
Assignee: Weyerhaeuser Co
•
Filing: 1988-04-29
•
Granted: 1990-01-02
•
Expires: 2008-04-29
Abstract
Abstract A disposable infant seat liner is described with shoulder strap receiving slotways and leg or crotch strap receiving slotways designed to fit infant seat liners having various strap placements. Infant carrier handle or strap receiving slotways may also be included, and may be of an arcuate shape, for receiving infant carrier handles or waist straps. The strap receiving slotways may be selectively opened by a user and may also be perforated to facilitate this selective opening.
Inventors
- 👤 Lee E. Perdelwitz, Jr.
- 👤 David E. Hanke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:50
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/24; B60N2/26; B60N2/28; B60N2/2881; B60N2/2803; B60N2/2812; B60N2/2842; B60N2/2845; Y; Y10; Y10S; Y10S297/00; Y10S297/05; Y10S428/00; Y10S428/903; Y10S428/92; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24322; Y10T428/24331; Y10T428/24479; Y10T428/24595; Y10T428/24603; Y10T428/24612; Y10T428/24777; Y10T428/24942; Y10T428/24992; Y10T428/25; Y10T428/253
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
85 words
A disposable infant seat liner having a peripheral edge for car seats of the type having a pair of shoulder straps comprising a body of sheet material including a liquid impermeable backing, a liquid permeable facing and an absorbent core, the body including a shoulder supporting section and shoulder strap receiving slotways in the shoulder supporting section, the shoulder strap receiving slotways being positioned on the liner for insertion of shoulder straps from the peripheral edge of the liner into the shoulder strap receiving slotways.
Claim 2
Dependent Claim
85 words
A disposable infant seat liner having a peripheral edge for car seats of the type having a pair of shoulder straps comprising a body of sheet material including a liquid impermeable backing, a liquid permeable facing and an absorbent core, the body including a shoulder supporting section and shoulder strap receiving slotways in the shoulder supporting section, the shoulder strap receiving slotways being positioned on the liner for insertion of shoulder straps from the peripheral edge of the liner into the shoulder strap receiving slotways.
Claim 3
Dependent Claim
74 words
A disposable infant seat liner having a peripheral edge for car seats of the type having a pair of shoulder straps comprising a body of sheet material including a liquid impermeable backing, a liquid permeable facing and an absorbent core, the body including a shoulder supporting section and shoulder strap receiving slotways in the shoulder supporting section and in which at least portions of the shoulder strap receiving slotways are weakened for selective opening.
Claim 4
Dependent Claim
74 words
A disposable infant seat liner having a peripheral edge for car seats of the type having a pair of shoulder straps comprising a body of sheet material including a liquid impermeable backing, a liquid permeable facing and an absorbent core, the body including a shoulder supporting section and shoulder strap receiving slotways in the shoulder supporting section and in which at least portions of the shoulder strap receiving slotways are weakened for selective opening.
Claim 5
Dependent Claim
25 words
A disposable infant seat liner according to claim 1 in which at least portions of the shoulder strap receiving slotways are perforated for selective opening.
Claim 6
Dependent Claim
104 words
A disposable infant seat liner for car seats of the type having a pair of shoulder straps and at least one leg strap comprising: a non-stitched unitary body of sheet material having a longitudinal centerline and including a liquid permeable facing sheet, an absorbent core and a liquid impermeable backing sheet, the body including an upper shoulder supporting section, a central section and a lower leg supporting section; means defining at least one shoulder strap receiving slotway at each side of the centerline of the upper shoulder supporting section; means defining at least one leg strap receiving slotway in the lower leg supporting section.
Claim 7
Dependent Claim
104 words
A disposable infant seat liner for car seats of the type having a pair of shoulder straps and at least one leg strap comprising: a non-stitched unitary body of sheet material having a longitudinal centerline and including a liquid permeable facing sheet, an absorbent core and a liquid impermeable backing sheet, the body including an upper shoulder supporting section, a central section and a lower leg supporting section; means defining at least one shoulder strap receiving slotway at each side of the centerline of the upper shoulder supporting section; means defining at least one leg strap receiving slotway in the lower leg supporting section.
Claim 8
Dependent Claim
120 words
A disposable infant seat liner according to claim 4 in which the body has first and second side edges and in which the central section of the body is enlarged relative to a lower end portion of the lower leg supporting section of the body, the liner including a first inwardly directed slit extending inwardly from the first side edge of the central body section and a second inwardly directed slit extending inwardly from the second side edge of the central section of the body opposite to the first side edge, whereby the slits permit portions of the central section of the body adjacent to these slits to overlap one another when the body is positioned in an infant seat.
Claim 9
Dependent Claim
32 words
A disposable infant seat liner according to claim 5 which includes first and second transversely spaced waist receiving slotways each positioned between a respective slit and a respective shoulder strap receiving pathway.
Claim 10
Dependent Claim
30 words
A disposable infant seat liner according to claim 5 in which the respective slits each extend inwardly and downwardly from the respective first and second side, edges of the body.
Claim 11
Dependent Claim
23 words
A disposable infant seat liner according to claim 4 including means defining plural leg strap receiving slotways in the lower leg supporting section.
Claim 12
Dependent Claim
70 words
A disposable infant seat liner according to claim 8 including a first shoulder strap receiving pathway extending from the first side edge to a shoulder strap receiving slotway at a first side of the center line of the upper body and a second shoulder strap receiving pathway extending from the second side edge to a shoulder strap receiving slotway at the second side of the center line of the body.
Claim 13
Dependent Claim
104 words
A disposable infant seat liner according to claim 8 including plural spaced apart shoulder strap receiving slotways at each of the first and second sides of the centerline of the body, the first shoulder strap receiving pathway extending to the shoulder strap receiving slotways at the first side of the centerline of the body, the second shoulder strap receiving pathway extending to the shoulder strap receiving slotways at the second side of the centerline of the body, whereby each of the shoulder strap receiving slotways is accessible from a side edge of the body along either the first or second shoulder strap receiving pathway.
Claim 14
Dependent Claim
23 words
A disposable infant seat liner according to claim 10 including means defining plural leg strap receiving slotways in the lower leg supporting section.
Claim 15
Dependent Claim
298 words
A disposable infant seat liner for car seats of the type having a pair of shoulder straps and at least one leg strap comprising: a unitary body of sheet material having a longitudinal centerline and including a liquid permeable facing sheet, an absorbent core and a liquid impereable backing sheet, the body including an upper shoulder supporting section, a central section and a lower leg supporting section; means defining at least one shoulder strap receiving slotway at each side of the centerline of the upper shoulder supporting section; means defining at least one leg strap receiving slotway in the lower leg supporting section; means defining plural leg strap receiving slotways in the lower leg supporting section; a first shoulder strap receiving pathway extending from the first side edge to a shoulder strap receiving slotway at a first side of the center line of the upper body and a second shoulder strap receiving pathway extending from the second side edge to a shoulder strap receiving slotway at the second side of the center line of the body; plural spaced apart shoulder strap receiving slotways at each of the first and second sides of the centerline of the body, the first shoulder strap receiving pathway extending to the shoulder strap receiving slotways at the first side of the centerline of the body, the second shoulder strap receiving pathway extending to the shoulder strap receiving slotways at the second site of the centerline of the body, whereby each of the shoulder strap receiving slotways is accessible from a side edge of the body along either the first or second shoulder strap receiving pathway; and in which the shoulder strap receiving slotways, first and second shoulder strap receiving pathways and, leg strap receiving slotways are selectively openable to receive the shoulder straps.
Claim 16
Dependent Claim
298 words
A disposable infant seat liner for car seats of the type having a pair of shoulder straps and at least one leg strap comprising: a unitary body of sheet material having a longitudinal centerline and including a liquid permeable facing sheet, an absorbent core and a liquid impereable backing sheet, the body including an upper shoulder supporting section, a central section and a lower leg supporting section; means defining at least one shoulder strap receiving slotway at each side of the centerline of the upper shoulder supporting section; means defining at least one leg strap receiving slotway in the lower leg supporting section; means defining plural leg strap receiving slotways in the lower leg supporting section; a first shoulder strap receiving pathway extending from the first side edge to a shoulder strap receiving slotway at a first side of the center line of the upper body and a second shoulder strap receiving pathway extending from the second side edge to a shoulder strap receiving slotway at the second side of the center line of the body; plural spaced apart shoulder strap receiving slotways at each of the first and second sides of the centerline of the body, the first shoulder strap receiving pathway extending to the shoulder strap receiving slotways at the first side of the centerline of the body, the second shoulder strap receiving pathway extending to the shoulder strap receiving slotways at the second site of the centerline of the body, whereby each of the shoulder strap receiving slotways is accessible from a side edge of the body along either the first or second shoulder strap receiving pathway; and in which the shoulder strap receiving slotways, first and second shoulder strap receiving pathways and, leg strap receiving slotways are selectively openable to receive the shoulder straps.
Claim 17
Dependent Claim
44 words
A disposable infant seat liner according to claim 12 in which the shoulder strap receiving slotways, first and second shoulder strap receiving pathways and the leg strap receiving slotways are perforated to facilitate selective opening thereof by a user of the infant seat liner.
Claim 18
Dependent Claim
110 words
A disposable infant seat liner for car seats of the type having a pair of shoulder straps and at least one leg strap comprising: a body of sheet material including a liquid permeable facing sheet, an absorbent core and a liquid impermeable backing sheet; and at least one user openable perforated shoulder strap receiving pathway at each side of the body at an upper end thereof, the perforated shoulder strap receiving pathways being retained in a closed position so as to preserve the integrity of the body until the perforations are severed by the user to thereby open the shoulder strap receiving pathways for positioning ,of the shoulder straps therein.
Claim 19
Dependent Claim
110 words
A disposable infant seat liner for car seats of the type having a pair of shoulder straps and at least one leg strap comprising: a body of sheet material including a liquid permeable facing sheet, an absorbent core and a liquid impermeable backing sheet; and at least one user openable perforated shoulder strap receiving pathway at each side of the body at an upper end thereof, the perforated shoulder strap receiving pathways being retained in a closed position so as to preserve the integrity of the body until the perforations are severed by the user to thereby open the shoulder strap receiving pathways for positioning ,of the shoulder straps therein.
Claim 20
Dependent Claim
87 words
A disposable infant seat liner according to claim 14 in which the shoulder strap receiving pathways each include a shoulder strap receiving portion spaced inwardly from the edge of the body and at least one shoulder strap receiving slotway portion extending from the edge of the body to the shoulder strap receiving portion such that each slotway portion and shoulder strap receiving portion may be opened by the user for insertion of a shoulder strap from the side of the body to the shoulder strap receiving portion.
Claim 21
Dependent Claim
83 words
A disposable infant seat liner according to claim 15 including plural of said shoulder strap receiving slotways at each side of the body, the shoulder strap receiving slotways at each side of the body being spaced apart from one another, the liner also including plural shoulder strap receiving portions each associated with a respective slotway, whereby the user may select and open shoulder strap receiving slotways for reception of shoulder straps of an infant seat while leaving other shoulder strap receiving slotways, closed.
Claim 22
Dependent Claim
67 words
A disposable infant seat liner according to claim 15 in which there is only one such shoulder strap receiving slotway extending to the edge of the body at each side of the body and plural shoulder strap receiving portions associated with each shoulder strap receiving slotway, the shoulder strap receiving portions being spaced inwardly from the edge of the body and being accessible from the associated slotway.
Claim 23
Dependent Claim
28 words
A disposable infant seat liner according to claim 17 in which each shoulder strap receiving location comprises a user openable flap bounded by a perforated flap defining boundary.
Claim 24
Dependent Claim
104 words
A disposable infant seat liner according to claim 15 in which there is only one such shoulder strap receiving slotway extending to the edge of the body at each side of the body, each shoulder strap receiving slotway extending inwardly from the edge along a first line for a first distance and then turning to extend backwardly toward the edge along a second line spaced from the first line, one of the shoulder strap receiving portions comprising a portion of the slotway along the first line and another of the shoulder strap receiving portions comprising a portion of the slotway along the second line.
Claim 25
Dependent Claim
29 words
A disposable infant seat liner according to claim 14 including at least one leg strap receiving opening extending through a central portion of the lower section of the body.
Claim 26
Dependent Claim
32 words
A disposable infant seat liner according to claim 14 including at least one user openable perforated leg strap receiving slotway extending through a central portion of the lower section of the body.
Claim 27
Dependent Claim
20 words
A disposable infant seat liner according to claim 21 including plural user openable perforated spaced apart leg strap receiving slotways.
Claim 28
Dependent Claim
17 words
A disposable infant seat liner according to claim which each leg strap receiving slotway is generally U-shaped.
Claim 29
Dependent Claim
113 words
A disposable infant seat liner according to claim 23 in which there is only one such shoulder strap receiving slotway extending to the edge of the body at each side of the body, each shoulder strap receiving slotway extending inwardly from the edge of the body along a first line for a first distance and then turning to extend backwardly toward the edge along a second line spaced from the first line, one of the shoulder strap receiving portions comprising a portion of the shoulder strap receiving slotway along the first line and another of the shoulder strap receiving portions comprising a portion of the shoulder strap receiving slotway along the second line.
Claim 30
Dependent Claim
199 words
A disposable infant seat liner for car seats of the type having a back, a seat, sides and a pair of shoulder straps and at least one leg strap comprising: a non-stitched unitary body of sheet material including a liquid permeable facing sheet, an absorbent core and a liquid permeable backing sheet, the body including an upper shoulder supporting section, a central section and a lower leg supporting section; the upper shoulder supporting portion being of a first width sized to fit against the back of the car seat; the central section of the body being of an enlarged width relative to the first width and relative to a lower end portion of the lower leg supporting section of the body, the liner including a first inwardly directed slit extending inwardly from one side edge of the central body section and a second inwardly directed slit extending inwardly from a side edge of the central section of the body opposite to the on side edge, whereby the slits permit portions of the body adjacent to these slits to overlap one another and fit against the sides of the car seat when the body is positioned in a car seat.
Claim 31
Dependent Claim
199 words
A disposable infant seat liner for car seats of the type having a back, a seat, sides and a pair of shoulder straps and at least one leg strap comprising: a non-stitched unitary body of sheet material including a liquid permeable facing sheet, an absorbent core and a liquid permeable backing sheet, the body including an upper shoulder supporting section, a central section and a lower leg supporting section; the upper shoulder supporting portion being of a first width sized to fit against the back of the car seat; the central section of the body being of an enlarged width relative to the first width and relative to a lower end portion of the lower leg supporting section of the body, the liner including a first inwardly directed slit extending inwardly from one side edge of the central body section and a second inwardly directed slit extending inwardly from a side edge of the central section of the body opposite to the on side edge, whereby the slits permit portions of the body adjacent to these slits to overlap one another and fit against the sides of the car seat when the body is positioned in a car seat.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1993-01-01 | 1993-07-03 | 1994-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-01-01 | 1997-07-03 | 1998-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-01-01 | 2001-07-03 | 2002-01-02 | $7700.00 | Window Closed / Lapsed |