Patent US3318310A successfully refreshed from Google Patents.
US3318310A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diaper
Assignee: Riegel Textile Corp
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Filing: 1965-04-08
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Granted: 1967-05-09
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Expires: 1985-04-08
Abstract
No abstract record available.
Inventors
- 👤 William M Pittendreigh
- 👤 Dale W Kern
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:06
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/15; A61F13/45; A61F13/49; A61F13/49003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
145 words
A GENERALLY RECTANGULAR PREFOLDED DIAPER HAVING A LONG DIMENSION AND A SHORT DIMENSION AND FORMED FROM DIAPER MATERIAL HAVING SELVAGE EDGES, SAID PREFOLDED DIAPER COMPRISING AN ABSORBENT CENTER PANEL FORMED OF A PLURALITY OF LAYERS OF DIAPER MATERIAL AND SIDE PANELS EXTENDING TRANSVERSELY OUTWARDLY FROM SAID CENTER PANEL AND HAVING OUTER LONGITUDINAL EDGES, SAID PANELS EXTENDING ALONG THE LONG DIMENSION OF SAID DIAPER IN A GENERALLY PARALLEL RELATIONSHIP, SAID PREFOLDED DIAPER BEING PERMANENTLY SECURED TOGETHER IN THE PREFOLDED CONDITION, AND SAID PREFOLDED DIAPER BEING FOLDED WITH A MULTIPLE REVERSE FOLD SO THAT SAID OUTER LONGITUDINAL EDGES THEREOF EXTEND ALONG THE LONG DIMENSION OF SAID DIAPER AND ARE FORMED BY SAID SELVAGE EDGES TO RESIST WEAR ALONG SAID OUTER LONGITUDINAL EDGES AND PROVIDE MAXIMUM WEAR RESISTANCE AND SO THAT A CONVENTIONAL SIZE PREFOLDED DIAPER WITH A WIDER-THAN-NORMAL CENTER PANEL MAY BE FORMED FROM NARROWER-THAN-NORMAL DIAPER MATERIAL.
Claim 2
Dependent Claim
145 words
A GENERALLY RECTANGULAR PREFOLDED DIAPER HAVING A LONG DIMENSION AND A SHORT DIMENSION AND FORMED FROM DIAPER MATERIAL HAVING SELVAGE EDGES, SAID PREFOLDED DIAPER COMPRISING AN ABSORBENT CENTER PANEL FORMED OF A PLURALITY OF LAYERS OF DIAPER MATERIAL AND SIDE PANELS EXTENDING TRANSVERSELY OUTWARDLY FROM SAID CENTER PANEL AND HAVING OUTER LONGITUDINAL EDGES, SAID PANELS EXTENDING ALONG THE LONG DIMENSION OF SAID DIAPER IN A GENERALLY PARALLEL RELATIONSHIP, SAID PREFOLDED DIAPER BEING PERMANENTLY SECURED TOGETHER IN THE PREFOLDED CONDITION, AND SAID PREFOLDED DIAPER BEING FOLDED WITH A MULTIPLE REVERSE FOLD SO THAT SAID OUTER LONGITUDINAL EDGES THEREOF EXTEND ALONG THE LONG DIMENSION OF SAID DIAPER AND ARE FORMED BY SAID SELVAGE EDGES TO RESIST WEAR ALONG SAID OUTER LONGITUDINAL EDGES AND PROVIDE MAXIMUM WEAR RESISTANCE AND SO THAT A CONVENTIONAL SIZE PREFOLDED DIAPER WITH A WIDER-THAN-NORMAL CENTER PANEL MAY BE FORMED FROM NARROWER-THAN-NORMAL DIAPER MATERIAL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-05-08 | 1970-11-07 | 1971-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-05-08 | 1974-11-07 | 1975-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-05-08 | 1978-11-07 | 1979-05-09 | $7700.00 | Window Closed / Lapsed |