US3416523A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-adherent dressing
Assignee: Parke Davis and Co LLC
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Filing: 1966-12-06
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Granted: 1968-12-17
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Expires: 1986-12-06
Abstract
No abstract record available.
Inventors
- 👤 George J Yeremian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:19
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/01; A61F13/01021; A61F13/01029; A61F13/15; A61F13/53; A61F13/534; A61F2013/00089; A61F2013/00217; A61F2013/00361; A61F2013/00727; A61F2013/00731; A61F2013/00744; A61F13/51; A61F2013/51002; A61F2013/51038; A61F2013/51042; A61F2013/53445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A NON-ADHERENT DRESSING FOR APPLICATION TO A WOUND SITE COMPRISING A LAMINATED PAD OF A MOISTURE ABSORBENT NON-WOVEN CELLULOSIC LAYER FACE TO FACE WITH A POROUS LAYER OF THERMOPLASTIC RESIN FIBERS SOME OF WHICH FIBERS ARE NEEDLED THROUGH THE LAYERS AND BONDED THEREIN BY HEAT FUSION AND PRESSURE MEANS SUFFICIENT TO SECURE THE LAYERS TOGETHER, THE CELLULOSIC LAYERS HAVING A MARGINAL SHOULDER CONSTITUTING A PERIPHERAL AREA OF INCREASED COMPRESSION, THE SHOULDER BEING BONDED IN POSITION BY HEAT FUSION MEANS.
Claim 2
Dependent Claim
79 words
A NON-ADHERENT DRESSING FOR APPLICATION TO A WOUND SITE COMPRISING A LAMINATED PAD OF A MOISTURE ABSORBENT NON-WOVEN CELLULOSIC LAYER FACE TO FACE WITH A POROUS LAYER OF THERMOPLASTIC RESIN FIBERS SOME OF WHICH FIBERS ARE NEEDLED THROUGH THE LAYERS AND BONDED THEREIN BY HEAT FUSION AND PRESSURE MEANS SUFFICIENT TO SECURE THE LAYERS TOGETHER, THE CELLULOSIC LAYERS HAVING A MARGINAL SHOULDER CONSTITUTING A PERIPHERAL AREA OF INCREASED COMPRESSION, THE SHOULDER BEING BONDED IN POSITION BY HEAT FUSION MEANS.
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) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |