Patent DE450462C successfully refreshed from Google Patents.
US4212296A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bandage with protective member
Assignee: Kendall Co
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Filing: 1978-04-20
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Granted: 1980-07-15
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Expires: 1998-04-20
Abstract
Abstract A bandage comprising, a pressure-sensitive tape strip having a central portion, and a pair of opposed end portions extending from the central portion for securing the bandage to a patient. The bandage has a protective member having a back surface secured to the front surface of the tape strip central portion, and a front surface defining a cavity. The bandage also has an absorbent pad received in the cavity with the protective member absorbing blows applied to the bandage to minimize trauma to a wound covered by the bandage.
Inventors
- 👤 Charles H. Schaar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:36
CPC Classifications
A; A61; A61F; A61F13/00; A61F13/02; A61F13/0203; A61F13/06; A61F13/063
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
220 words
A bandage comprising: a tape strip having a back surface, a front surface, adhesive on said front surface, a central portion, and a pair of opposed end portions extending from said central portion for securing the bandage to a patient; a protective member of foam material having a central region of enlarged thickness and an edge area tapering from said central region to an outer edge extending peripherally around the protective member, said protective member having a generally convex back surface secured to the front surface of said strip central portion with said protective member edge generally aligned with the front surface of said strip end portions, and said protective member having a generally concave front surface defining a cavity facing away from said strip central portion; and an absorbent pad having a central region of enlarged thickness and an edge area tapering from the pad central region toward an outer edge extending peripherally around the pad, said pad having a generally convex back surface secured to the front surface of the protective member with said pad received in and substantially filling said cavity, said outer edge of the pad being located adjacent the outer edge of the protective member, and said pad having a generally planar front surface generally aligned with the front surface of said strip end portions.
Claim 2
Dependent Claim
220 words
A bandage comprising: a tape strip having a back surface, a front surface, adhesive on said front surface, a central portion, and a pair of opposed end portions extending from said central portion for securing the bandage to a patient; a protective member of foam material having a central region of enlarged thickness and an edge area tapering from said central region to an outer edge extending peripherally around the protective member, said protective member having a generally convex back surface secured to the front surface of said strip central portion with said protective member edge generally aligned with the front surface of said strip end portions, and said protective member having a generally concave front surface defining a cavity facing away from said strip central portion; and an absorbent pad having a central region of enlarged thickness and an edge area tapering from the pad central region toward an outer edge extending peripherally around the pad, said pad having a generally convex back surface secured to the front surface of the protective member with said pad received in and substantially filling said cavity, said outer edge of the pad being located adjacent the outer edge of the protective member, and said pad having a generally planar front surface generally aligned with the front surface of said strip end portions.
Claim 3
Dependent Claim
26 words
The bandage of claim 1 wherein said tape strip central portion includes adhesive on said front surface to secure the protective member to the tape strip.
Claim 4
Dependent Claim
25 words
The bandage of claim 1 including adhesive intermediate the protective member and pad to secure the pad to the front surface of the protective member.
Claim 5
Dependent Claim
14 words
The bandage of claim 1 wherein said protective member is constructed from foamed polystyrene.
Claim 6
Dependent Claim
22 words
The bandage of claim 1 wherein the width of said strip central portion is greater than the width of said end portions.
Claim 7
Dependent Claim
19 words
The bandage of claim 1 including release sheet means releasably attached to the adhesive on said strip end portions.
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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) | 1983-07-15 | 1984-01-14 | 1984-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-07-15 | 1988-01-14 | 1988-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-07-15 | 1992-01-14 | 1992-07-15 | $7700.00 | Window Closed / Lapsed |